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164899801 = 1153282847
BaseRepresentation
bin10011101010000…
…10101111011001
3102111021210000001
421311002233121
5314203243201
624210213001
74041424303
oct1165025731
9374253001
10164899801
1185099730
1247284161
1328217a61
1417c86973
15e724301
hex9d42bd9

164899801 has 8 divisors (see below), whose sum is σ = 183285504. Its totient is φ = 147079920.

The previous prime is 164899799. The next prime is 164899853. The reversal of 164899801 is 108998461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 164899801 - 21 = 164899799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (164899871) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 140841 + ... + 142006.

It is an arithmetic number, because the mean of its divisors is an integer number (22910688).

Almost surely, 2164899801 is an apocalyptic number.

164899801 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

164899801 is a deficient number, since it is larger than the sum of its proper divisors (18385703).

164899801 is a wasteful number, since it uses less digits than its factorization.

164899801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282911.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 164899801 is about 12841.3317455784. The cubic root of 164899801 is about 548.3696080887.

The spelling of 164899801 in words is "one hundred sixty-four million, eight hundred ninety-nine thousand, eight hundred one".

Divisors: 1 11 53 583 282847 3111317 14990891 164899801