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1431942460 = 225135507471
BaseRepresentation
bin101010101011001…
…1011010100111100
310200210110012202221
41111112123110330
510413034124320
6354031255124
750325211234
oct12526332474
93623405687
101431942460
11675326623
1233b67a4a4
1319a883940
14d8268cc4
1585aa43aa
hex5559b53c

1431942460 has 24 divisors (see below), whose sum is σ = 3238393536. Its totient is φ = 528717120.

The previous prime is 1431942451. The next prime is 1431942481. The reversal of 1431942460 is 642491341.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2753476 + ... + 2753995.

It is an arithmetic number, because the mean of its divisors is an integer number (134933064).

Almost surely, 21431942460 is an apocalyptic number.

1431942460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431942460 is an abundant number, since it is smaller than the sum of its proper divisors (1806451076).

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

1431942460 is a wasteful number, since it uses less digits than its factorization.

1431942460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5507493 (or 5507491 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1431942460 is about 37841.0155783377. The cubic root of 1431942460 is about 1127.1330618479.

The spelling of 1431942460 in words is "one billion, four hundred thirty-one million, nine hundred forty-two thousand, four hundred sixty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 5507471 11014942 22029884 27537355 55074710 71597123 110149420 143194246 286388492 357985615 715971230 1431942460