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756420052 = 224310342697
BaseRepresentation
bin101101000101100…
…000110111010100
31221201100010020111
4231011200313110
53022120420202
6203020412404
724513315163
oct5505406724
91851303214
10756420052
11358a85643
121913a7104
13c0934a3b
14726633da
15466196d7
hex2d160dd4

756420052 has 24 divisors (see below), whose sum is σ = 1367702336. Its totient is φ = 365819328.

The previous prime is 756420043. The next prime is 756420059. The reversal of 756420052 is 250024657.

It is a junction number, because it is equal to n+sod(n) for n = 756419996 and 756420023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (756420059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3633 + ... + 39064.

Almost surely, 2756420052 is an apocalyptic number.

It is an amenable number.

756420052 is a deficient number, since it is larger than the sum of its proper divisors (611282284).

756420052 is a wasteful number, since it uses less digits than its factorization.

756420052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42847 (or 42845 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 756420052 is about 27503.0916807547. The cubic root of 756420052 is about 911.1453805979.

The spelling of 756420052 in words is "seven hundred fifty-six million, four hundred twenty thousand, fifty-two".

Divisors: 1 2 4 43 86 103 172 206 412 4429 8858 17716 42697 85394 170788 1835971 3671942 4397791 7343884 8795582 17591164 189105013 378210026 756420052