Search a number
-
+
25359972 = 22311192121
BaseRepresentation
bin110000010111…
…1011001100100
31202201102100020
41200233121210
522443004342
62303315140
7425361531
oct140573144
952642306
1025359972
1113351360
1285abab0
13533c001
143521d88
15235e0ec
hex182f664

25359972 has 24 divisors (see below), whose sum is σ = 64552992. Its totient is φ = 7684800.

The previous prime is 25359967. The next prime is 25359973. The reversal of 25359972 is 27995352.

It is not an unprimeable number, because it can be changed into a prime (25359973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95929 + ... + 96192.

It is an arithmetic number, because the mean of its divisors is an integer number (2689708).

Almost surely, 225359972 is an apocalyptic number.

25359972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25359972 is an abundant number, since it is smaller than the sum of its proper divisors (39193020).

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

25359972 is a wasteful number, since it uses less digits than its factorization.

25359972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192139 (or 192137 counting only the distinct ones).

The product of its digits is 170100, while the sum is 42.

The square root of 25359972 is about 5035.8685447498. The cubic root of 25359972 is about 293.7985106544.

The spelling of 25359972 in words is "twenty-five million, three hundred fifty-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 192121 384242 576363 768484 1152726 2113331 2305452 4226662 6339993 8453324 12679986 25359972