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25260072 = 2332367683
BaseRepresentation
bin110000001011…
…1000000101000
31202112100022020
41200113000220
522431310242
62301224440
7424464345
oct140270050
952470266
1025260072
11132932a2
128562120
1353056b6
1434d77cc
15233e6ec
hex1817028

25260072 has 64 divisors (see below), whose sum is σ = 66977280. Its totient is φ = 7922112.

The previous prime is 25260041. The next prime is 25260089. The reversal of 25260072 is 27006252.

It is a super-3 number, since 3×252600723 (a number of 23 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36643 + ... + 37325.

It is an arithmetic number, because the mean of its divisors is an integer number (1046520).

Almost surely, 225260072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25260072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33488640).

25260072 is an abundant number, since it is smaller than the sum of its proper divisors (41717208).

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

25260072 is a wasteful number, since it uses less digits than its factorization.

25260072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 25260072 is about 5025.9399120960. The cubic root of 25260072 is about 293.4122182238.

The spelling of 25260072 in words is "twenty-five million, two hundred sixty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 12 23 24 46 67 69 92 134 138 184 201 268 276 402 536 552 683 804 1366 1541 1608 2049 2732 3082 4098 4623 5464 6164 8196 9246 12328 15709 16392 18492 31418 36984 45761 47127 62836 91522 94254 125672 137283 183044 188508 274566 366088 377016 549132 1052503 1098264 2105006 3157509 4210012 6315018 8420024 12630036 25260072