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1357290620 = 22579694933
BaseRepresentation
bin101000011100110…
…1001110001111100
310111120222111200222
41100321221301330
510234431244440
6342403240512
745430531340
oct12071516174
93446874628
101357290620
11637178594
1231a679138
1318827695a
14cc395620
157e25a2b5
hex50e69c7c

1357290620 has 24 divisors (see below), whose sum is σ = 3257497824. Its totient is φ = 465356736.

The previous prime is 1357290619. The next prime is 1357290629. The reversal of 1357290620 is 260927531.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1357290629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4847327 + ... + 4847606.

It is an arithmetic number, because the mean of its divisors is an integer number (135729076).

Almost surely, 21357290620 is an apocalyptic number.

1357290620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357290620 is an abundant number, since it is smaller than the sum of its proper divisors (1900207204).

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

1357290620 is a wasteful number, since it uses less digits than its factorization.

1357290620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9694949 (or 9694947 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 1357290620 is about 36841.4253253047. The cubic root of 1357290620 is about 1107.1954250130.

The spelling of 1357290620 in words is "one billion, three hundred fifty-seven million, two hundred ninety thousand, six hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 9694933 19389866 38779732 48474665 67864531 96949330 135729062 193898660 271458124 339322655 678645310 1357290620