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1400043044 = 221918421619
BaseRepresentation
bin101001101110010…
…1111011000100100
310121120102120000002
41103130233120210
510331402334134
6350531440432
746460112101
oct12334573044
93546376002
101400043044
11659319074
12330a56118
1319409524a
14d3d23aa8
1582da287e
hex5372f624

1400043044 has 12 divisors (see below), whose sum is σ = 2579026800. Its totient is φ = 663178248.

The previous prime is 1400043019. The next prime is 1400043067. The reversal of 1400043044 is 4403400041.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9210734 + ... + 9210885.

It is an arithmetic number, because the mean of its divisors is an integer number (214918900).

Almost surely, 21400043044 is an apocalyptic number.

It is an amenable number.

1400043044 is a deficient number, since it is larger than the sum of its proper divisors (1178983756).

1400043044 is a wasteful number, since it uses less digits than its factorization.

1400043044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18421642 (or 18421640 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 1400043044 is about 37417.1490629631. The cubic root of 1400043044 is about 1118.7004069274.

Adding to 1400043044 its reverse (4403400041), we get a palindrome (5803443085).

The spelling of 1400043044 in words is "one billion, four hundred million, forty-three thousand, forty-four".

Divisors: 1 2 4 19 38 76 18421619 36843238 73686476 350010761 700021522 1400043044