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2207640072 = 233119786209
BaseRepresentation
bin1000001110010101…
…1110101000001000
312200212001201212010
42003211132220020
514010123440242
61003021215520
7105464426301
oct20345365010
95625051763
102207640072
11a33178730
125174015a0
132924a8001
1416d2a97a8
15cdc2a89c
hex8395ea08

2207640072 has 64 divisors (see below), whose sum is σ = 6082977600. Its totient is φ = 662077440.

The previous prime is 2207640067. The next prime is 2207640079. The reversal of 2207640072 is 2700467022.

It is not an unprimeable number, because it can be changed into a prime (2207640079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17497 + ... + 68712.

It is an arithmetic number, because the mean of its divisors is an integer number (95046525).

Almost surely, 22207640072 is an apocalyptic number.

2207640072 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2207640072 is an abundant number, since it is smaller than the sum of its proper divisors (3875337528).

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

2207640072 is a wasteful number, since it uses less digits than its factorization.

2207640072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86326 (or 86322 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 30.

The square root of 2207640072 is about 46985.5304535343. The cubic root of 2207640072 is about 1302.0952547222.

The spelling of 2207640072 in words is "two billion, two hundred seven million, six hundred forty thousand, seventy-two".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 97 132 194 264 291 388 582 776 1067 1164 2134 2328 3201 4268 6402 8536 12804 25608 86209 172418 258627 344836 517254 689672 948299 1034508 1896598 2069016 2844897 3793196 5689794 7586392 8362273 11379588 16724546 22759176 25086819 33449092 50173638 66898184 91985003 100347276 183970006 200694552 275955009 367940012 551910018 735880024 1103820036 2207640072