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10977940 = 225548897
BaseRepresentation
bin101001111000…
…001010010100
3202122201220101
4221320022110
510302243230
61031143444
7162211441
oct51701224
922581811
1010977940
116218986
123814b84
132374a2c
14165a9c8
15e6caca
hexa78294

10977940 has 12 divisors (see below), whose sum is σ = 23053716. Its totient is φ = 4391168.

The previous prime is 10977907. The next prime is 10977961. The reversal of 10977940 is 4977901.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 8655364 = 1524^2 + 2942^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10977940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 274429 + ... + 274468.

It is an arithmetic number, because the mean of its divisors is an integer number (1921143).

Almost surely, 210977940 is an apocalyptic number.

10977940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10977940 is an abundant number, since it is smaller than the sum of its proper divisors (12075776).

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

10977940 is a wasteful number, since it uses less digits than its factorization.

10977940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548906 (or 548904 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 37.

The square root of 10977940 is about 3313.2974511806. The cubic root of 10977940 is about 222.2492398632.

The spelling of 10977940 in words is "ten million, nine hundred seventy-seven thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 548897 1097794 2195588 2744485 5488970 10977940