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1072144046 = 21944236379
BaseRepresentation
bin111111111001111…
…001111010101110
32202201102120010202
4333321321322232
54143432102141
6254215433502
735366034251
oct7771717256
92681376122
101072144046
11500219766
1225b085892
1314117987c
14a256b098
15641d249b
hex3fe79eae

1072144046 has 16 divisors (see below), whose sum is σ = 1693507200. Its totient is φ = 507663288.

The previous prime is 1072144037. The next prime is 1072144061. The reversal of 1072144046 is 6404412701.

It is a happy number.

It is a super-2 number, since 2×10721440462 = 2298985710746500232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164885 + ... + 171263.

It is an arithmetic number, because the mean of its divisors is an integer number (105844200).

Almost surely, 21072144046 is an apocalyptic number.

1072144046 is a deficient number, since it is larger than the sum of its proper divisors (621363154).

1072144046 is a wasteful number, since it uses less digits than its factorization.

1072144046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10823.

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 1072144046 is about 32743.6107660716. The cubic root of 1072144046 is about 1023.4918279080.

Adding to 1072144046 its reverse (6404412701), we get a palindrome (7476556747).

The spelling of 1072144046 in words is "one billion, seventy-two million, one hundred forty-four thousand, forty-six".

Divisors: 1 2 19 38 4423 6379 8846 12758 84037 121201 168074 242402 28214317 56428634 536072023 1072144046