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10707440 = 245133843
BaseRepresentation
bin101000110110…
…000111110000
3202010222211212
4220312013300
510220114230
61021255252
7160004012
oct50660760
922128755
1010707440
116053727
123704528
1322ab883
1415ca1b2
15e17895
hexa361f0

10707440 has 20 divisors (see below), whose sum is σ = 24894984. Its totient is φ = 4282944.

The previous prime is 10707427. The next prime is 10707449. The reversal of 10707440 is 4470701.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×107074402 = 229298542707200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10707449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66842 + ... + 67001.

Almost surely, 210707440 is an apocalyptic number.

10707440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10707440 is an abundant number, since it is smaller than the sum of its proper divisors (14187544).

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

10707440 is a wasteful number, since it uses less digits than its factorization.

10707440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133856 (or 133850 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 10707440 is about 3272.2224863233. Note that the first 3 decimals coincide. The cubic root of 10707440 is about 220.4086070137.

The spelling of 10707440 in words is "ten million, seven hundred seven thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 133843 267686 535372 669215 1070744 1338430 2141488 2676860 5353720 10707440