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164476480 = 2657101727
BaseRepresentation
bin10011100110110…
…11011001000000
3102110111021022111
421303123121000
5314101221410
624153145104
74035012160
oct1163333100
9373437274
10164476480
118492a683
12470bb194
13280ca17c
1417bb65a0
15e68db8a
hex9cdb640

164476480 has 112 divisors (see below), whose sum is σ = 452664576. Its totient is φ = 55756800.

The previous prime is 164476469. The next prime is 164476493. The reversal of 164476480 is 84674461.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 225877 + ... + 226603.

It is an arithmetic number, because the mean of its divisors is an integer number (4041648).

Almost surely, 2164476480 is an apocalyptic number.

164476480 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 164476480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (226332288).

164476480 is an abundant number, since it is smaller than the sum of its proper divisors (288188096).

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

164476480 is a wasteful number, since it uses less digits than its factorization.

164476480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 40.

The square root of 164476480 is about 12824.8384005413. The cubic root of 164476480 is about 547.8999586501.

The spelling of 164476480 in words is "one hundred sixty-four million, four hundred seventy-six thousand, four hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 101 112 140 160 202 224 280 320 404 448 505 560 707 727 808 1010 1120 1414 1454 1616 2020 2240 2828 2908 3232 3535 3635 4040 5089 5656 5816 6464 7070 7270 8080 10178 11312 11632 14140 14540 16160 20356 22624 23264 25445 28280 29080 32320 40712 45248 46528 50890 56560 58160 73427 81424 101780 113120 116320 146854 162848 203560 226240 232640 293708 325696 367135 407120 513989 587416 734270 814240 1027978 1174832 1468540 1628480 2055956 2349664 2569945 2937080 4111912 4699328 5139890 5874160 8223824 10279780 11748320 16447648 20559560 23496640 32895296 41119120 82238240 164476480