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25485474 = 237531072
BaseRepresentation
bin110000100111…
…0000010100010
31202221210111110
41201032002202
523011013344
62310124150
7426423450
oct141160242
952853443
1025485474
1113427683
128650656
135384181
1435559d0
1523863b9
hex184e0a2

25485474 has 48 divisors (see below), whose sum is σ = 59911488. Its totient is φ = 7077408.

The previous prime is 25485469. The next prime is 25485487. The reversal of 25485474 is 47458452.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 238129 + ... + 238235.

It is an arithmetic number, because the mean of its divisors is an integer number (1248156).

Almost surely, 225485474 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25485474, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29955744).

25485474 is an abundant number, since it is smaller than the sum of its proper divisors (34426014).

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

25485474 is a wasteful number, since it uses less digits than its factorization.

25485474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 172 counting only the distinct ones).

The product of its digits is 179200, while the sum is 39.

The square root of 25485474 is about 5048.3139759726. The cubic root of 25485474 is about 294.2823655859.

The spelling of 25485474 in words is "twenty-five million, four hundred eighty-five thousand, four hundred seventy-four".

Divisors: 1 2 3 6 7 14 21 42 53 106 107 159 214 318 321 371 642 742 749 1113 1498 2226 2247 4494 5671 11342 11449 17013 22898 34026 34347 39697 68694 79394 80143 119091 160286 238182 240429 480858 606797 1213594 1820391 3640782 4247579 8495158 12742737 25485474