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25742796 = 22319234909
BaseRepresentation
bin110001000110…
…0110111001100
31210102212110220
41202030313030
523042232141
62315431340
7431544612
oct142146714
953385426
1025742796
1113592a42
128755550
135444331
1435c16b2
1523d7766
hex188cdcc

25742796 has 48 divisors (see below), whose sum is σ = 65990400. Its totient is φ = 7774272.

The previous prime is 25742771. The next prime is 25742797. The reversal of 25742796 is 69724752.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 12 and base 13.

It is not an unprimeable number, because it can be changed into a prime (25742797) 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, 2790 + ... + 7698.

It is an arithmetic number, because the mean of its divisors is an integer number (1374800).

Almost surely, 225742796 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25742796, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32995200).

25742796 is an abundant number, since it is smaller than the sum of its proper divisors (40247604).

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

25742796 is a wasteful number, since it uses less digits than its factorization.

25742796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4958 (or 4956 counting only the distinct ones).

The product of its digits is 211680, while the sum is 42.

The square root of 25742796 is about 5073.7359016803. The cubic root of 25742796 is about 295.2694884924.

The spelling of 25742796 in words is "twenty-five million, seven hundred forty-two thousand, seven hundred ninety-six".

Divisors: 1 2 3 4 6 12 19 23 38 46 57 69 76 92 114 138 228 276 437 874 1311 1748 2622 4909 5244 9818 14727 19636 29454 58908 93271 112907 186542 225814 279813 338721 373084 451628 559626 677442 1119252 1354884 2145233 4290466 6435699 8580932 12871398 25742796