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1357942620 = 223522632377
BaseRepresentation
bin101000011110000…
…1000111101011100
310111122012122002010
41100330020331130
510240113130440
6342425231220
745436215246
oct12074107534
93448178063
101357942620
11637583431
1231a932510
13188444658
14cc4c5096
157e338580
hex50f08f5c

1357942620 has 24 divisors (see below), whose sum is σ = 3802239504. Its totient is φ = 362118016.

The previous prime is 1357942571. The next prime is 1357942633. The reversal of 1357942620 is 262497531.

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, 11316129 + ... + 11316248.

It is an arithmetic number, because the mean of its divisors is an integer number (158426646).

Almost surely, 21357942620 is an apocalyptic number.

1357942620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1357942620 is an abundant number, since it is smaller than the sum of its proper divisors (2444296884).

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

1357942620 is a wasteful number, since it uses less digits than its factorization.

1357942620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22632389 (or 22632387 counting only the distinct ones).

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 1357942620 is about 36850.2729976319. The cubic root of 1357942620 is about 1107.3726839940.

The spelling of 1357942620 in words is "one billion, three hundred fifty-seven million, nine hundred forty-two thousand, six hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 22632377 45264754 67897131 90529508 113161885 135794262 226323770 271588524 339485655 452647540 678971310 1357942620