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1604742472 = 23171031091051
BaseRepresentation
bin101111110100110…
…0110110101001000
311010211121100211101
41133221212311020
511241303224342
6423123111144
754524041324
oct13751466510
94124540741
101604742472
11753920853
123895124b4
131c7606578
141131aa984
1595d393b7
hex5fa66d48

1604742472 has 64 divisors (see below), whose sum is σ = 3249417600. Its totient is φ = 740275200.

The previous prime is 1604742431. The next prime is 1604742481. The reversal of 1604742472 is 2742474061.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1526347 + ... + 1527397.

It is an arithmetic number, because the mean of its divisors is an integer number (50772150).

Almost surely, 21604742472 is an apocalyptic number.

It is an amenable number.

1604742472 is an abundant number, since it is smaller than the sum of its proper divisors (1644675128).

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

1604742472 is a wasteful number, since it uses less digits than its factorization.

1604742472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1286 (or 1282 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 1604742472 is about 40059.2370371678. The cubic root of 1604742472 is about 1170.7615447762.

The spelling of 1604742472 in words is "one billion, six hundred four million, seven hundred forty-two thousand, four hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 103 109 136 206 218 412 436 824 872 1051 1751 1853 2102 3502 3706 4204 7004 7412 8408 11227 14008 14824 17867 22454 35734 44908 71468 89816 108253 114559 142936 190859 216506 229118 381718 433012 458236 763436 866024 916472 1526872 1840301 1947503 3680602 3895006 7361204 7790012 11799577 14722408 15580024 23599154 47198308 94396616 200592809 401185618 802371236 1604742472