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10731940 = 2254312479
BaseRepresentation
bin101000111100…
…000110100100
3202012020110021
4220330012210
510221410230
61022004524
7160135312
oct50740644
922166407
1010731940
11607007a
123716744
1322b9a7b
1415d50b2
15e1ec7a
hexa3c1a4

10731940 has 24 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 4192608.

The previous prime is 10731937. The next prime is 10731953. The reversal of 10731940 is 4913701.

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, 5380 + ... + 7099.

It is an arithmetic number, because the mean of its divisors is an integer number (960960).

Almost surely, 210731940 is an apocalyptic number.

10731940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10731940 is an abundant number, since it is smaller than the sum of its proper divisors (12331100).

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

10731940 is a wasteful number, since it uses less digits than its factorization.

10731940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12531 (or 12529 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 10731940 is about 3275.9639802660. The cubic root of 10731940 is about 220.5765867069.

The spelling of 10731940 in words is "ten million, seven hundred thirty-one thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 12479 24958 49916 62395 124790 249580 536597 1073194 2146388 2682985 5365970 10731940