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25742084 = 2237173933
BaseRepresentation
bin110001000110…
…0101100000100
31210102211111112
41202030230010
523042221314
62315424152
7431542544
oct142145404
953384445
1025742084
1113592455
128755058
135443c04
1435c1324
1523d743e
hex188cb04

25742084 has 12 divisors (see below), whose sum is σ = 46266444. Its totient is φ = 12523104.

The previous prime is 25742081. The next prime is 25742107. The reversal of 25742084 is 48024752.

It can be written as a sum of positive squares in 2 ways, for example, as 23425600 + 2316484 = 4840^2 + 1522^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25742084.

It is not an unprimeable number, because it can be changed into a prime (25742081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 86819 + ... + 87114.

It is an arithmetic number, because the mean of its divisors is an integer number (3855537).

Almost surely, 225742084 is an apocalyptic number.

It is an amenable number.

25742084 is a deficient number, since it is larger than the sum of its proper divisors (20524360).

25742084 is a wasteful number, since it uses less digits than its factorization.

25742084 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173974 (or 173972 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 25742084 is about 5073.6657359349. The cubic root of 25742084 is about 295.2667662575.

The spelling of 25742084 in words is "twenty-five million, seven hundred forty-two thousand, eighty-four".

Divisors: 1 2 4 37 74 148 173933 347866 695732 6435521 12871042 25742084