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1307202072 = 2331119992477
BaseRepresentation
bin100110111101010…
…0101001000011000
310101002201202010120
41031322211020120
510134120431242
6333413513240
744252014521
oct11572451030
93332652116
101307202072
116109772a0
12305942820
1317aa8a167
14c5877848
1579b641ec
hex4dea5218

1307202072 has 64 divisors (see below), whose sum is σ = 3568320000. Its totient is φ = 395763840.

The previous prime is 1307202067. The next prime is 1307202089. The reversal of 1307202072 is 2702027031.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 526498 + ... + 528974.

It is an arithmetic number, because the mean of its divisors is an integer number (55755000).

Almost surely, 21307202072 is an apocalyptic number.

1307202072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1307202072 is an abundant number, since it is smaller than the sum of its proper divisors (2261117928).

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

1307202072 is a wasteful number, since it uses less digits than its factorization.

1307202072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4496 (or 4492 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 1307202072 is about 36155.2495773435. The cubic root of 1307202072 is about 1093.4046315623.

The spelling of 1307202072 in words is "one billion, three hundred seven million, two hundred two thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 132 264 1999 2477 3998 4954 5997 7431 7996 9908 11994 14862 15992 19816 21989 23988 27247 29724 43978 47976 54494 59448 65967 81741 87956 108988 131934 163482 175912 217976 263868 326964 527736 653928 4951523 9903046 14854569 19806092 29709138 39612184 54466753 59418276 108933506 118836552 163400259 217867012 326800518 435734024 653601036 1307202072