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2308363728 = 2431133712973
BaseRepresentation
bin1000100110010110…
…1101010111010000
312221212121000201220
42021211231113100
514211420114403
61021020125040
7111126524256
oct21145552720
95855530656
102308363728
11a85013920
12545096780
132aa312cc8
1417c8085d6
15d79c4953
hex8996d5d0

2308363728 has 80 divisors (see below), whose sum is σ = 6525195456. Its totient is φ = 697374720.

The previous prime is 2308363703. The next prime is 2308363747. The reversal of 2308363728 is 8273638032.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2308363728.

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, 171450 + ... + 184422.

Almost surely, 22308363728 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2308363728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3262597728).

2308363728 is an abundant number, since it is smaller than the sum of its proper divisors (4216831728).

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

2308363728 is a wasteful number, since it uses less digits than its factorization.

2308363728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13332 (or 13326 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 2308363728 is about 48045.4339974154. The cubic root of 2308363728 is about 1321.6042112100.

The spelling of 2308363728 in words is "two billion, three hundred eight million, three hundred sixty-three thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 337 528 674 1011 1348 2022 2696 3707 4044 5392 7414 8088 11121 12973 14828 16176 22242 25946 29656 38919 44484 51892 59312 77838 88968 103784 142703 155676 177936 207568 285406 311352 428109 570812 622704 856218 1141624 1712436 2283248 3424872 4371901 6849744 8743802 13115703 17487604 26231406 34975208 48090911 52462812 69950416 96181822 104925624 144272733 192363644 209851248 288545466 384727288 577090932 769454576 1154181864 2308363728