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164857700 = 22527435477
BaseRepresentation
bin10011101001110…
…00011101100100
3102111012122020202
421310320131210
5314200421300
624205250032
74041160460
oct1164703544
9374178222
10164857700
1185070037
1247263918
1328201847
1417c754a0
15e716ad5
hex9d38764

164857700 has 72 divisors (see below), whose sum is σ = 418431552. Its totient is φ = 55198080.

The previous prime is 164857673. The next prime is 164857703. The reversal of 164857700 is 7758461.

164857700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1648577002 = 54356122498580000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (164857703) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27362 + ... + 32838.

Almost surely, 2164857700 is an apocalyptic number.

164857700 is a gapful number since it is divisible by the number (10) 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 164857700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (209215776).

164857700 is an abundant number, since it is smaller than the sum of its proper divisors (253573852).

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

164857700 is a wasteful number, since it uses less digits than its factorization.

164857700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5541 (or 5534 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 38.

The square root of 164857700 is about 12839.6923639159. The cubic root of 164857700 is about 548.3229355563.

The spelling of 164857700 in words is "one hundred sixty-four million, eight hundred fifty-seven thousand, seven hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 35 43 50 70 86 100 140 172 175 215 301 350 430 602 700 860 1075 1204 1505 2150 3010 4300 5477 6020 7525 10954 15050 21908 27385 30100 38339 54770 76678 109540 136925 153356 191695 235511 273850 383390 471022 547700 766780 942044 958475 1177555 1648577 1916950 2355110 3297154 3833900 4710220 5887775 6594308 8242885 11775550 16485770 23551100 32971540 41214425 82428850 164857700