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25430463 = 331098641
BaseRepresentation
bin110000100000…
…0100110111111
31202212000001000
41201000212333
523002233323
62305021343
7426104202
oct141004677
952760030
1025430463
111339a313
128624853
135365116
14353d939
152374e43
hex18409bf

25430463 has 16 divisors (see below), whose sum is σ = 38024800. Its totient is φ = 16796160.

The previous prime is 25430459. The next prime is 25430491. The reversal of 25430463 is 36403452.

It is not a de Polignac number, because 25430463 - 22 = 25430459 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25430413) 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, 1378 + ... + 7263.

It is an arithmetic number, because the mean of its divisors is an integer number (2376550).

Almost surely, 225430463 is an apocalyptic number.

25430463 is a deficient number, since it is larger than the sum of its proper divisors (12594337).

25430463 is a wasteful number, since it uses less digits than its factorization.

25430463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8759 (or 8753 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 25430463 is about 5042.8625799242. The cubic root of 25430463 is about 294.0704745671.

The spelling of 25430463 in words is "twenty-five million, four hundred thirty thousand, four hundred sixty-three".

Divisors: 1 3 9 27 109 327 981 2943 8641 25923 77769 233307 941869 2825607 8476821 25430463