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25875040 = 255592741
BaseRepresentation
bin110001010110…
…1001001100000
31210200120212211
41202231021200
523111000130
62322331504
7432635302
oct142551140
953616784
1025875040
1113673334
1287b9b94
13548c599
143617972
152411a2a
hex18ad260

25875040 has 48 divisors (see below), whose sum is σ = 62188560. Its totient is φ = 10170880.

The previous prime is 25875029. The next prime is 25875067. The reversal of 25875040 is 4057852.

It is a junction number, because it is equal to n+sod(n) for n = 25874993 and 25875011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8070 + ... + 10810.

It is an arithmetic number, because the mean of its divisors is an integer number (1295595).

Almost surely, 225875040 is an apocalyptic number.

25875040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25875040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31094280).

25875040 is an abundant number, since it is smaller than the sum of its proper divisors (36313520).

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

25875040 is a wasteful number, since it uses less digits than its factorization.

25875040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2815 (or 2807 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 31.

The square root of 25875040 is about 5086.7514191279. The cubic root of 25875040 is about 295.7742373967.

The spelling of 25875040 in words is "twenty-five million, eight hundred seventy-five thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 59 80 118 160 236 295 472 590 944 1180 1888 2360 2741 4720 5482 9440 10964 13705 21928 27410 43856 54820 87712 109640 161719 219280 323438 438560 646876 808595 1293752 1617190 2587504 3234380 5175008 6468760 12937520 25875040