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1047292085 = 57145920509
BaseRepresentation
bin111110011011000…
…110100010110101
32200222122221122202
4332123012202311
54121101321320
6251531034245
734644556460
oct7633064265
92628587582
101047292085
11498195054
1225289b985
13138c87b78
149d13c2d7
1561e23b75
hex3e6c68b5

1047292085 has 16 divisors (see below), whose sum is σ = 1437340800. Its totient is φ = 717615936.

The previous prime is 1047292061. The next prime is 1047292087. The reversal of 1047292085 is 5802927401.

It is a cyclic number.

It is not a de Polignac number, because 1047292085 - 28 = 1047291829 is a prime.

It is a super-2 number, since 2×10472920852 = 2193641422607294450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1047292087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40811 + ... + 61319.

It is an arithmetic number, because the mean of its divisors is an integer number (89833800).

Almost surely, 21047292085 is an apocalyptic number.

It is an amenable number.

1047292085 is a deficient number, since it is larger than the sum of its proper divisors (390048715).

1047292085 is a wasteful number, since it uses less digits than its factorization.

1047292085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21980.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 1047292085 is about 32361.8924817446. The cubic root of 1047292085 is about 1015.5218538373.

The spelling of 1047292085 in words is "one billion, forty-seven million, two hundred ninety-two thousand, eighty-five".

Divisors: 1 5 7 35 1459 7295 10213 20509 51065 102545 143563 717815 29922631 149613155 209458417 1047292085