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25298064 = 24321115971
BaseRepresentation
bin110000010000…
…0010010010000
31202121021102100
41200200102100
522434014224
62302120400
7425013201
oct140402220
952537370
1025298064
11133098a0
128580100
135319a8c
1435075a8
15234aac9
hex1820490

25298064 has 60 divisors (see below), whose sum is σ = 77240592. Its totient is φ = 7665600.

The previous prime is 25298059. The next prime is 25298069. The reversal of 25298064 is 46089252.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (25298059) and next prime (25298069).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (25298069) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6402 + ... + 9569.

Almost surely, 225298064 is an apocalyptic number.

25298064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25298064 is an abundant number, since it is smaller than the sum of its proper divisors (51942528).

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

25298064 is a wasteful number, since it uses less digits than its factorization.

25298064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15996 (or 15987 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 25298064 is about 5029.7180835510. The cubic root of 25298064 is about 293.5592451604.

The spelling of 25298064 in words is "twenty-five million, two hundred ninety-eight thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 33 36 44 48 66 72 88 99 132 144 176 198 264 396 528 792 1584 15971 31942 47913 63884 95826 127768 143739 175681 191652 255536 287478 351362 383304 527043 574956 702724 766608 1054086 1149912 1405448 1581129 2108172 2299824 2810896 3162258 4216344 6324516 8432688 12649032 25298064