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25434260 = 2253141023
BaseRepresentation
bin110000100000…
…1100010010100
31202212012020122
41201001202110
523002344020
62305051112
7426121235
oct141014224
952765218
1025434260
11133a2155
128626a98
135366a77
14354108c
152376125
hex1841894

25434260 has 24 divisors (see below), whose sum is σ = 55136256. Its totient is φ = 9845280.

The previous prime is 25434257. The next prime is 25434263. The reversal of 25434260 is 6243452.

It is an interprime number because it is at equal distance from previous prime (25434257) and next prime (25434263).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25434263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19892 + ... + 21131.

It is an arithmetic number, because the mean of its divisors is an integer number (2297344).

Almost surely, 225434260 is an apocalyptic number.

25434260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25434260 is an abundant number, since it is smaller than the sum of its proper divisors (29701996).

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

25434260 is a wasteful number, since it uses less digits than its factorization.

25434260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41063 (or 41061 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 25434260 is about 5043.2390385545. The cubic root of 25434260 is about 294.0851096398.

The spelling of 25434260 in words is "twenty-five million, four hundred thirty-four thousand, two hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 41023 82046 164092 205115 410230 820460 1271713 2543426 5086852 6358565 12717130 25434260