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1147045974 = 231789106861
BaseRepresentation
bin100010001011110…
…1000100001010110
32221221100222021020
41010113220201112
54322120432344
6305453102010
740265505234
oct10427504126
92857328236
101147045974
11539528688
12280187906
13153843639
14ac4a7954
156aa7a719
hex445e8856

1147045974 has 16 divisors (see below), whose sum is σ = 2295395760. Its totient is φ = 382131360.

The previous prime is 1147045969. The next prime is 1147045987. The reversal of 1147045974 is 4795407411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42697 + ... + 64164.

It is an arithmetic number, because the mean of its divisors is an integer number (143462235).

Almost surely, 21147045974 is an apocalyptic number.

1147045974 is an abundant number, since it is smaller than the sum of its proper divisors (1148349786).

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

1147045974 is a wasteful number, since it uses less digits than its factorization.

1147045974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108655.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 1147045974 is about 33868.0671724856. The cubic root of 1147045974 is about 1046.7917108686.

The spelling of 1147045974 in words is "one billion, one hundred forty-seven million, forty-five thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 1789 3578 5367 10734 106861 213722 320583 641166 191174329 382348658 573522987 1147045974