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10957139 = 19955061
BaseRepresentation
bin101001110011…
…000101010011
3202121200100222
4221303011103
510301112024
61030503255
7162064004
oct51630523
922550328
1010957139
116204296
123804b2b
13236841b
1416531ab
15e6685e
hexa73153

10957139 has 4 divisors (see below), whose sum is σ = 11012400. Its totient is φ = 10901880.

The previous prime is 10957117. The next prime is 10957169. The reversal of 10957139 is 93175901.

10957139 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10957139 - 212 = 10953043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10957099 and 10957108.

It is not an unprimeable number, because it can be changed into a prime (10957169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27332 + ... + 27729.

It is an arithmetic number, because the mean of its divisors is an integer number (2753100).

Almost surely, 210957139 is an apocalyptic number.

10957139 is a deficient number, since it is larger than the sum of its proper divisors (55261).

10957139 is an equidigital number, since it uses as much as digits as its factorization.

10957139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55260.

The product of its (nonzero) digits is 8505, while the sum is 35.

The square root of 10957139 is about 3310.1569449197. The cubic root of 10957139 is about 222.1087784953.

The spelling of 10957139 in words is "ten million, nine hundred fifty-seven thousand, one hundred thirty-nine".

Divisors: 1 199 55061 10957139