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748133664 = 2531931101131
BaseRepresentation
bin101100100101111…
…001110100100000
31221010202010110020
4230211321310200
53013010234124
6202123033440
724353013465
oct5445716440
91833663406
10748133664
11354335993
1218a66b880
13bbcc3155
147150766c
1545a2e379
hex2c979d20

748133664 has 192 divisors, whose sum is σ = 2171473920. Its totient is φ = 224640000.

The previous prime is 748133663. The next prime is 748133689. The reversal of 748133664 is 466331847.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (748133663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5710879 + ... + 5711009.

It is an arithmetic number, because the mean of its divisors is an integer number (11309760).

Almost surely, 2748133664 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 748133664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085736960).

748133664 is an abundant number, since it is smaller than the sum of its proper divisors (1423340256).

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

748133664 is a wasteful number, since it uses less digits than its factorization.

748133664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295 (or 287 counting only the distinct ones).

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

The square root of 748133664 is about 27352.0321731311. The cubic root of 748133664 is about 907.8060354057.

The spelling of 748133664 in words is "seven hundred forty-eight million, one hundred thirty-three thousand, six hundred sixty-four".