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742644968 = 23137140817
BaseRepresentation
bin101100010000111…
…101110011101000
31220202102021101012
4230100331303220
53010104114333
6201405243052
724255243452
oct5420756350
91822367335
10742644968
1135122717a
12188863488
13bab20ac0
14708b92d2
15452e7e48
hex2c43dce8

742644968 has 16 divisors (see below), whose sum is σ = 1499571780. Its totient is φ = 342759168.

The previous prime is 742644961. The next prime is 742644971. The reversal of 742644968 is 869446247.

742644968 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 739948804 + 2696164 = 27202^2 + 1642^2 .

It is not an unprimeable number, because it can be changed into a prime (742644961) 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, 3570305 + ... + 3570512.

Almost surely, 2742644968 is an apocalyptic number.

It is an amenable number.

742644968 is an abundant number, since it is smaller than the sum of its proper divisors (756926812).

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

742644968 is a wasteful number, since it uses less digits than its factorization.

742644968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7140836 (or 7140832 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 50.

The square root of 742644968 is about 27251.5131323015. The cubic root of 742644968 is about 905.5805389661.

The spelling of 742644968 in words is "seven hundred forty-two million, six hundred forty-four thousand, nine hundred sixty-eight".

Divisors: 1 2 4 8 13 26 52 104 7140817 14281634 28563268 57126536 92830621 185661242 371322484 742644968