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25241442 = 2323317577
BaseRepresentation
bin110000001001…
…0011101100010
31202111101202020
41200102131202
522430211232
62301002310
7424356132
oct140223542
952441666
1025241442
11132802a6
128553396
1352ca085
1434d0ac2
152338e2c
hex1812762

25241442 has 32 divisors (see below), whose sum is σ = 52935552. Its totient is φ = 8008704.

The previous prime is 25241431. The next prime is 25241449. The reversal of 25241442 is 24414252.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25241449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43458 + ... + 44034.

It is an arithmetic number, because the mean of its divisors is an integer number (1654236).

Almost surely, 225241442 is an apocalyptic number.

25241442 is an abundant number, since it is smaller than the sum of its proper divisors (27694110).

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

25241442 is a wasteful number, since it uses less digits than its factorization.

25241442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922.

The product of its digits is 2560, while the sum is 24.

The square root of 25241442 is about 5024.0861855665. The cubic root of 25241442 is about 293.3400672811.

Adding to 25241442 its reverse (24414252), we get a palindrome (49655694).

The spelling of 25241442 in words is "twenty-five million, two hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 3 6 23 46 69 138 317 577 634 951 1154 1731 1902 3462 7291 13271 14582 21873 26542 39813 43746 79626 182909 365818 548727 1097454 4206907 8413814 12620721 25241442