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25485630 = 2355091669
BaseRepresentation
bin110000100111…
…0000100111110
31202221210201020
41201032010332
523011020010
62310125010
7426424062
oct141160476
952853636
1025485630
1113427805
128650766
135384271
143555aa2
152386470
hex184e13e

25485630 has 32 divisors (see below), whose sum is σ = 61322400. Its totient is φ = 6778752.

The previous prime is 25485623. The next prime is 25485667. The reversal of 25485630 is 3658452.

It is a junction number, because it is equal to n+sod(n) for n = 25485591 and 25485600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14436 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (1916325).

Almost surely, 225485630 is an apocalyptic number.

25485630 is an abundant number, since it is smaller than the sum of its proper divisors (35836770).

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

25485630 is a wasteful number, since it uses less digits than its factorization.

25485630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188.

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 25485630 is about 5048.3294266519. The cubic root of 25485630 is about 294.2829660319.

The spelling of 25485630 in words is "twenty-five million, four hundred eighty-five thousand, six hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 509 1018 1527 1669 2545 3054 3338 5007 5090 7635 8345 10014 15270 16690 25035 50070 849521 1699042 2548563 4247605 5097126 8495210 12742815 25485630