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25041828 = 22372411237
BaseRepresentation
bin101111110000…
…1101110100100
31202010020221010
41133201232210
522402314303
62252422220
7422565150
oct137415644
952106833
1025041828
1113154329
128477970
13525a266
14347c060
1522e9c03
hex17e1ba4

25041828 has 48 divisors (see below), whose sum is σ = 67109504. Its totient is φ = 7119360.

The previous prime is 25041827. The next prime is 25041851. The reversal of 25041828 is 82814052.

It is a junction number, because it is equal to n+sod(n) for n = 25041795 and 25041804.

It is not an unprimeable number, because it can be changed into a prime (25041827) 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, 19626 + ... + 20862.

Almost surely, 225041828 is an apocalyptic number.

25041828 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

25041828 is an abundant number, since it is smaller than the sum of its proper divisors (42067676).

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

25041828 is a wasteful number, since it uses less digits than its factorization.

25041828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1492 (or 1490 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 30.

The square root of 25041828 is about 5004.1810518805. The cubic root of 25041828 is about 292.5647573766.

The spelling of 25041828 in words is "twenty-five million, forty-one thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 241 482 723 964 1237 1446 1687 2474 2892 3374 3711 4948 5061 6748 7422 8659 10122 14844 17318 20244 25977 34636 51954 103908 298117 596234 894351 1192468 1788702 2086819 3577404 4173638 6260457 8347276 12520914 25041828