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1376431430 = 251130740759
BaseRepresentation
bin101001000001010…
…1010110101000110
310112220222221221212
41102002222311012
510304331301210
6344325411422
746052321423
oct12202526506
93486887855
101376431430
11646a61340
12324b69b72
1318c218c8a
14d0b38d4a
1580c8b805
hex520aad46

1376431430 has 32 divisors (see below), whose sum is σ = 2711681280. Its totient is φ = 498877920.

The previous prime is 1376431429. The next prime is 1376431447. The reversal of 1376431430 is 341346731.

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 15 ways as a sum of consecutive naturals, for example, 13391 + ... + 54149.

It is an arithmetic number, because the mean of its divisors is an integer number (84740040).

Almost surely, 21376431430 is an apocalyptic number.

1376431430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1376431430 is a deficient number, since it is larger than the sum of its proper divisors (1335249850).

1376431430 is a wasteful number, since it uses less digits than its factorization.

1376431430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41084.

The product of its (nonzero) digits is 18144, while the sum is 32.

The square root of 1376431430 is about 37100.2888128920. The cubic root of 1376431430 is about 1112.3757868304.

The spelling of 1376431430 in words is "one billion, three hundred seventy-six million, four hundred thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 55 110 307 614 1535 3070 3377 6754 16885 33770 40759 81518 203795 407590 448349 896698 2241745 4483490 12513013 25026026 62565065 125130130 137643143 275286286 688215715 1376431430