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164938752 = 21032111627
BaseRepresentation
bin10011101010011…
…00010000000000
3102111100202102200
421311030100000
5314211020002
624211113200
74041645666
oct1165142000
9374322380
10164938752
1185115a20
12472a2800
132822c6c4
1417c96c36
15e730b1c
hex9d4c400

164938752 has 132 divisors (see below), whose sum is σ = 519872496. Its totient is φ = 49950720.

The previous prime is 164938733. The next prime is 164938769. The reversal of 164938752 is 257839461.

It is a tau number, because it is divible by the number of its divisors (132).

It is a super-2 number, since 2×1649387522 = 54409583822635008, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 164938698 and 164938707.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100563 + ... + 102189.

It is an arithmetic number, because the mean of its divisors is an integer number (3938428).

Almost surely, 2164938752 is an apocalyptic number.

164938752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 164938752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (259936248).

164938752 is an abundant number, since it is smaller than the sum of its proper divisors (354933744).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164938752 is a wasteful number, since it uses less digits than its factorization.

164938752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664 (or 1643 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 164938752 is about 12842.8482822153. The cubic root of 164938752 is about 548.4127815046.

It can be divided in two parts, 1649 and 38752, that added together give a square (40401 = 2012).

The spelling of 164938752 in words is "one hundred sixty-four million, nine hundred thirty-eight thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 256 264 288 352 384 396 512 528 576 704 768 792 1024 1056 1152 1408 1536 1584 1627 2112 2304 2816 3072 3168 3254 4224 4608 4881 5632 6336 6508 8448 9216 9762 11264 12672 13016 14643 16896 17897 19524 25344 26032 29286 33792 35794 39048 50688 52064 53691 58572 71588 78096 101376 104128 107382 117144 143176 156192 161073 208256 214764 234288 286352 312384 322146 416512 429528 468576 572704 624768 644292 833024 859056 937152 1145408 1249536 1288584 1666048 1718112 1874304 2290816 2499072 2577168 3436224 3748608 4581632 4998144 5154336 6872448 7497216 9163264 10308672 13744896 14994432 18326528 20617344 27489792 41234688 54979584 82469376 164938752