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63490875 = 353719267
BaseRepresentation
bin1111001000110…
…0101100111011
311102110200002220
43302030230323
5112223202000
610144455123
71400443410
oct362145473
9142420086
1063490875
11329256a8
121931a4a3
13101ccb86
14860a107
1558921a0
hex3c8cb3b

63490875 has 96 divisors (see below), whose sum is σ = 129332736. Its totient is φ = 27086400.

The previous prime is 63490871. The next prime is 63490897. The reversal of 63490875 is 57809436.

It is a happy number.

It is not a de Polignac number, because 63490875 - 22 = 63490871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63490871) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 947592 + ... + 947658.

It is an arithmetic number, because the mean of its divisors is an integer number (1347216).

Almost surely, 263490875 is an apocalyptic number.

63490875 is an abundant number, since it is smaller than the sum of its proper divisors (65841861).

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

63490875 is a wasteful number, since it uses less digits than its factorization.

63490875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 63490875 is about 7968.1161512619. The cubic root of 63490875 is about 398.9364978305.

The spelling of 63490875 in words is "sixty-three million, four hundred ninety thousand, eight hundred seventy-five".

Divisors: 1 3 5 7 15 19 21 25 35 57 67 75 95 105 125 133 175 201 285 335 361 375 399 469 475 525 665 875 1005 1083 1273 1407 1425 1675 1805 1995 2345 2375 2527 2625 3325 3819 5025 5415 6365 7035 7125 7581 8375 8911 9025 9975 11725 12635 16625 19095 24187 25125 26733 27075 31825 35175 37905 44555 45125 49875 58625 63175 72561 95475 120935 133665 135375 159125 169309 175875 189525 222775 315875 362805 477375 507927 604675 668325 846545 947625 1113875 1814025 2539635 3023375 3341625 4232725 9070125 12698175 21163625 63490875