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25234742 = 21335743
BaseRepresentation
bin110000001000…
…0110100110110
31202111001120002
41200100310312
522430002432
62300511302
7424330451
oct140206466
952431502
1025234742
1113276265
12854b532
1352c7000
1434cc498
152336e62
hex1810d36

25234742 has 16 divisors (see below), whose sum is σ = 41012160. Its totient is φ = 11644776.

The previous prime is 25234637. The next prime is 25234757. The reversal of 25234742 is 24743252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1523 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (2563260).

Almost surely, 225234742 is an apocalyptic number.

25234742 is a deficient number, since it is larger than the sum of its proper divisors (15777418).

25234742 is an equidigital number, since it uses as much as digits as its factorization.

25234742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784 (or 5758 counting only the distinct ones).

The product of its digits is 13440, while the sum is 29.

The square root of 25234742 is about 5023.4193533887. The cubic root of 25234742 is about 293.3141105975.

Adding to 25234742 its reverse (24743252), we get a palindrome (49977994).

The spelling of 25234742 in words is "twenty-five million, two hundred thirty-four thousand, seven hundred forty-two".

Divisors: 1 2 13 26 169 338 2197 4394 5743 11486 74659 149318 970567 1941134 12617371 25234742