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1431740660 = 225710226719
BaseRepresentation
bin101010101010110…
…1010000011110100
310200210001221221212
41111111222003310
510413011200120
6354023100552
750323411010
oct12525520364
93623057855
101431740660
116751a8a49
1233b5a1758
1319a812b2c
14d8215540
1585a646c5
hex5556a0f4

1431740660 has 24 divisors (see below), whose sum is σ = 3436177920. Its totient is φ = 490882464.

The previous prime is 1431740659. The next prime is 1431740671. The reversal of 1431740660 is 660471341.

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, 5113220 + ... + 5113499.

It is an arithmetic number, because the mean of its divisors is an integer number (143174080).

Almost surely, 21431740660 is an apocalyptic number.

1431740660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1431740660 is an abundant number, since it is smaller than the sum of its proper divisors (2004437260).

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

1431740660 is a wasteful number, since it uses less digits than its factorization.

1431740660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10226735 (or 10226733 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 1431740660 is about 37838.3490654653. The cubic root of 1431740660 is about 1127.0801113642.

The spelling of 1431740660 in words is "one billion, four hundred thirty-one million, seven hundred forty thousand, six hundred sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 10226719 20453438 40906876 51133595 71587033 102267190 143174066 204534380 286348132 357935165 715870330 1431740660