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164352404 = 22281146221
BaseRepresentation
bin10011100101111…
…01000110010100
3102110020222010002
421302331012110
5314033234104
624150350432
74033654346
oct1162750624
9373228102
10164352404
1184855437
124705b418
1328085858
1417b83296
15e66701e
hex9cbd194

164352404 has 12 divisors (see below), whose sum is σ = 288642228. Its totient is φ = 81883200.

The previous prime is 164352403. The next prime is 164352427. The reversal of 164352404 is 404253461.

164352404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 111091600 + 53260804 = 10540^2 + 7298^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164352401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71987 + ... + 74234.

It is an arithmetic number, because the mean of its divisors is an integer number (24053519).

Almost surely, 2164352404 is an apocalyptic number.

It is an amenable number.

164352404 is a deficient number, since it is larger than the sum of its proper divisors (124289824).

164352404 is a wasteful number, since it uses less digits than its factorization.

164352404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146506 (or 146504 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 164352404 is about 12820.0001560062. Note that the first 3 decimals coincide. The cubic root of 164352404 is about 547.7621510301.

The spelling of 164352404 in words is "one hundred sixty-four million, three hundred fifty-two thousand, four hundred four".

Divisors: 1 2 4 281 562 1124 146221 292442 584884 41088101 82176202 164352404