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1308505088 = 21011116167
BaseRepresentation
bin100110111111110…
…0011010000000000
310101012011221112102
41031333203100000
510134434130323
6333501445532
744266052432
oct11577432000
93335157472
101308505088
11611687270
123062708a8
1317b125287
14c5ad6652
1579d20328
hex4dfe3400

1308505088 has 44 divisors (see below), whose sum is σ = 2853550752. Its totient is φ = 594769920.

The previous prime is 1308505073. The next prime is 1308505097. The reversal of 1308505088 is 8805058031.

It is a tau number, because it is divible by the number of its divisors (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46820 + ... + 69347.

Almost surely, 21308505088 is an apocalyptic number.

It is an amenable number.

1308505088 is an abundant number, since it is smaller than the sum of its proper divisors (1545045664).

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

1308505088 is a wasteful number, since it uses less digits than its factorization.

1308505088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116198 (or 116180 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The square root of 1308505088 is about 36173.2648236235. The cubic root of 1308505088 is about 1093.7678119853.

The spelling of 1308505088 in words is "one billion, three hundred eight million, five hundred five thousand, eighty-eight".

Divisors: 1 2 4 8 11 16 22 32 44 64 88 128 176 256 352 512 704 1024 1408 2816 5632 11264 116167 232334 464668 929336 1277837 1858672 2555674 3717344 5111348 7434688 10222696 14869376 20445392 29738752 40890784 59477504 81781568 118955008 163563136 327126272 654252544 1308505088