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25714480 = 2451129221
BaseRepresentation
bin110001000010…
…1111100110000
31210101102122011
41202011330300
523040330410
62315052304
7431366221
oct142057460
953342564
1025714480
1113573740
128741094
13543448c
1435b5248
1523ce18a
hex1885f30

25714480 has 40 divisors (see below), whose sum is σ = 65223504. Its totient is φ = 9350400.

The previous prime is 25714477. The next prime is 25714537. The reversal of 25714480 is 8441752.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×257144802 = 1322468963340800, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13731 + ... + 15490.

Almost surely, 225714480 is an apocalyptic number.

25714480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25714480 is an abundant number, since it is smaller than the sum of its proper divisors (39509024).

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

25714480 is a wasteful number, since it uses less digits than its factorization.

25714480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29245 (or 29239 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 31.

The square root of 25714480 is about 5070.9446851647. The cubic root of 25714480 is about 295.1611874070.

The spelling of 25714480 in words is "twenty-five million, seven hundred fourteen thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 29221 58442 116884 146105 233768 292210 321431 467536 584420 642862 1168840 1285724 1607155 2337680 2571448 3214310 5142896 6428620 12857240 25714480