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1357880244 = 223737694289
BaseRepresentation
bin101000011101111…
…1001101110110100
310111122002110111220
41100323321232310
510240104131434
6342424030340
745435535350
oct12073715664
93448073456
101357880244
11637540586
1231a9023b0
13188422146
14cc4aa460
157e324d49
hex50ef9bb4

1357880244 has 48 divisors (see below), whose sum is σ = 3622819200. Its totient is φ = 387772416.

The previous prime is 1357880231. The next prime is 1357880261. The reversal of 1357880244 is 4420887531.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1357880196 and 1357880205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 314452 + ... + 318740.

It is an arithmetic number, because the mean of its divisors is an integer number (75475400).

Almost surely, 21357880244 is an apocalyptic number.

1357880244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1357880244 is an abundant number, since it is smaller than the sum of its proper divisors (2264938956).

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

1357880244 is a wasteful number, since it uses less digits than its factorization.

1357880244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8072 (or 8070 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 1357880244 is about 36849.4266441148. The cubic root of 1357880244 is about 1107.3557283104.

The spelling of 1357880244 in words is "one billion, three hundred fifty-seven million, eight hundred eighty thousand, two hundred forty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 3769 4289 7538 8578 11307 12867 15076 17156 22614 25734 26383 30023 45228 51468 52766 60046 79149 90069 105532 120092 158298 180138 316596 360276 16165241 32330482 48495723 64660964 96991446 113156687 193982892 226313374 339470061 452626748 678940122 1357880244