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1431384834 = 231146572
BaseRepresentation
bin101010101010001…
…0011001100000010
310200202101212212010
41111110103030002
510412413303314
6354011313350
750320366425
oct12524231402
93622355763
101431384834
11674a85680
1233b44b856
1319a719b99
14d81619bc
15859e4059
hex55513302

1431384834 has 24 divisors (see below), whose sum is σ = 3123692208. Its totient is φ = 433659840.

The previous prime is 1431384821. The next prime is 1431384847. The reversal of 1431384834 is 4384831341.

It is an interprime number because it is at equal distance from previous prime (1431384821) and next prime (1431384847).

It is a junction number, because it is equal to n+sod(n) for n = 1431384792 and 1431384801.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 305034 + ... + 309690.

It is an arithmetic number, because the mean of its divisors is an integer number (130153842).

Almost surely, 21431384834 is an apocalyptic number.

1431384834 is an abundant number, since it is smaller than the sum of its proper divisors (1692307374).

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

1431384834 is an frugal number, since it uses more digits than its factorization.

1431384834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9330 (or 4673 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 1431384834 is about 37833.6468503897. The cubic root of 1431384834 is about 1126.9867337373.

The spelling of 1431384834 in words is "one billion, four hundred thirty-one million, three hundred eighty-four thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 4657 9314 13971 27942 51227 102454 153681 307362 21687649 43375298 65062947 130125894 238564139 477128278 715692417 1431384834