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2308921244 = 22782461473
BaseRepresentation
bin1000100110011111…
…0101011110011100
312221220122100111122
42021213311132130
514212040434434
61021040110112
7111134335550
oct21147653634
95856570448
102308921244
11a85364783
12545305338
132aa4799b6
1417c911860
15d7a84c2e
hex899f579c

2308921244 has 12 divisors (see below), whose sum is σ = 4617842544. Its totient is φ = 989537664.

The previous prime is 2308921177. The next prime is 2308921247. The reversal of 2308921244 is 4421298032.

2308921244 is an admirable number.

It is a super-2 number, since 2×23089212442 = 10662234621989015072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2308921247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41230709 + ... + 41230764.

It is an arithmetic number, because the mean of its divisors is an integer number (384820212).

Almost surely, 22308921244 is an apocalyptic number.

It is an amenable number.

2308921244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2308921244 is a wasteful number, since it uses less digits than its factorization.

2308921244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82461484 (or 82461482 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 2308921244 is about 48051.2356136655. The cubic root of 2308921244 is about 1321.7106005937.

The spelling of 2308921244 in words is "two billion, three hundred eight million, nine hundred twenty-one thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 82461473 164922946 329845892 577230311 1154460622 2308921244