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749290452 = 22362440871
BaseRepresentation
bin101100101010010…
…100001111010100
31221012220220021020
4230222110033110
53013304243302
6202203521140
724365602161
oct5452241724
91835826236
10749290452
11354a56009
1218ab291b0
13bc309841
1471729068
1545babebc
hex2ca943d4

749290452 has 12 divisors (see below), whose sum is σ = 1748344416. Its totient is φ = 249763480.

The previous prime is 749290447. The next prime is 749290537. The reversal of 749290452 is 254092947.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×7492904522 = 1122872362916728608, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31220424 + ... + 31220447.

It is an arithmetic number, because the mean of its divisors is an integer number (145695368).

Almost surely, 2749290452 is an apocalyptic number.

It is an amenable number.

749290452 is an abundant number, since it is smaller than the sum of its proper divisors (999053964).

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

749290452 is a wasteful number, since it uses less digits than its factorization.

749290452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62440878 (or 62440876 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 749290452 is about 27373.1702950170. The cubic root of 749290452 is about 908.2736872841.

The spelling of 749290452 in words is "seven hundred forty-nine million, two hundred ninety thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 62440871 124881742 187322613 249763484 374645226 749290452