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1371709492 = 22677172089
BaseRepresentation
bin101000111000010…
…1010000000110100
310112121010001200021
41101300222000310
510302124200432
6344040254524
745664224016
oct12160520064
93477101607
101371709492
1164432670a
12323471444
1318b25492a
14d026a1b6
1580657697
hex51c2a034

1371709492 has 24 divisors (see below), whose sum is σ = 2470668480. Its totient is φ = 666093120.

The previous prime is 1371709453. The next prime is 1371709499. The reversal of 1371709492 is 2949071731.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371709499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17017 + ... + 55072.

It is an arithmetic number, because the mean of its divisors is an integer number (102944520).

Almost surely, 21371709492 is an apocalyptic number.

It is an amenable number.

1371709492 is a deficient number, since it is larger than the sum of its proper divisors (1098958988).

1371709492 is a wasteful number, since it uses less digits than its factorization.

1371709492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72231 (or 72229 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 1371709492 is about 37036.5966579004. The cubic root of 1371709492 is about 1111.1023035109.

The spelling of 1371709492 in words is "one billion, three hundred seventy-one million, seven hundred nine thousand, four hundred ninety-two".

Divisors: 1 2 4 67 71 134 142 268 284 4757 9514 19028 72089 144178 288356 4829963 5118319 9659926 10236638 19319852 20473276 342927373 685854746 1371709492