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1431401412 = 223723740891
BaseRepresentation
bin101010101010001…
…0111001111000100
310200202102201121010
41111110113033010
510412414321122
6354011522220
750320465650
oct12524271704
93622381533
101431401412
11674a97081
1233b459370
1319a7245ac
14d8167a60
15859e8e0c
hex555173c4

1431401412 has 48 divisors (see below), whose sum is σ = 3983035392. Its totient is φ = 391189920.

The previous prime is 1431401399. The next prime is 1431401473. The reversal of 1431401412 is 2141041341.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 368514 + ... + 372377.

It is an arithmetic number, because the mean of its divisors is an integer number (82979904).

Almost surely, 21431401412 is an apocalyptic number.

1431401412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1431401412 is an abundant number, since it is smaller than the sum of its proper divisors (2551633980).

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

1431401412 is a wasteful number, since it uses less digits than its factorization.

1431401412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 740928 (or 740926 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1431401412 is about 37833.8659404508. The cubic root of 1431401412 is about 1126.9910845621.

Adding to 1431401412 its reverse (2141041341), we get a palindrome (3572442753).

The spelling of 1431401412 in words is "one billion, four hundred thirty-one million, four hundred one thousand, four hundred twelve".

Divisors: 1 2 3 4 6 7 12 14 21 23 28 42 46 69 84 92 138 161 276 322 483 644 966 1932 740891 1481782 2222673 2963564 4445346 5186237 8890692 10372474 15558711 17040493 20744948 31117422 34080986 51121479 62234844 68161972 102242958 119283451 204485916 238566902 357850353 477133804 715700706 1431401412