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1075502431 = 6991153841
BaseRepresentation
bin100000000011010…
…1101110101011111
32202221202011222101
41000012231311133
54200312034211
6254415425531
735436422413
oct10006556537
92687664871
101075502431
11502102993
122602252a7
13141a84393
14a2ba2d43
15646475c1
hex401add5f

1075502431 has 4 divisors (see below), whose sum is σ = 1075663264. Its totient is φ = 1075341600.

The previous prime is 1075502423. The next prime is 1075502443. The reversal of 1075502431 is 1342055701.

It is a happy number.

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 1075502431 - 23 = 1075502423 is a prime.

It is a super-2 number, since 2×10755024312 = 2313410958173819522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1075502431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1075502411) 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, 69930 + ... + 83911.

It is an arithmetic number, because the mean of its divisors is an integer number (268915816).

Almost surely, 21075502431 is an apocalyptic number.

1075502431 is a deficient number, since it is larger than the sum of its proper divisors (160833).

1075502431 is an equidigital number, since it uses as much as digits as its factorization.

1075502431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160832.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 1075502431 is about 32794.8537273762. The cubic root of 1075502431 is about 1024.5593762686.

It can be divided in two parts, 1075 and 502431, that added together give a triangular number (503506 = T1003).

The spelling of 1075502431 in words is "one billion, seventy-five million, five hundred two thousand, four hundred thirty-one".

Divisors: 1 6991 153841 1075502431