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12425940 = 2233523011
BaseRepresentation
bin101111011001…
…101011010100
3212101022012000
4233121223110
511140112230
61122155300
7210422142
oct57315324
925338160
1012425940
11701787a
1241b2b30
132760b37
141916592
151156b60
hexbd9ad4

12425940 has 48 divisors (see below), whose sum is σ = 38660160. Its totient is φ = 3313440.

The previous prime is 12425939. The next prime is 12425951. The reversal of 12425940 is 4952421.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 10966 + ... + 12045.

It is an arithmetic number, because the mean of its divisors is an integer number (805420).

Almost surely, 212425940 is an apocalyptic number.

12425940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12425940 is an abundant number, since it is smaller than the sum of its proper divisors (26234220).

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

12425940 is a wasteful number, since it uses less digits than its factorization.

12425940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23029 (or 23021 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 12425940 is about 3525.0446805679. The cubic root of 12425940 is about 231.6201920702.

The spelling of 12425940 in words is "twelve million, four hundred twenty-five thousand, nine hundred forty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 540 23011 46022 69033 92044 115055 138066 207099 230110 276132 345165 414198 460220 621297 690330 828396 1035495 1242594 1380660 2070990 2485188 3106485 4141980 6212970 12425940