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747052452 = 223220751457
BaseRepresentation
bin101100100001110…
…001110110100100
31221001201012022100
4230201301312210
53012221134302
6202043532100
724340561326
oct5441616644
91831635270
10747052452
11353767623
1218a22a030
13bba04c93
1471305616
15458b8d1c
hex2c871da4

747052452 has 18 divisors (see below), whose sum is σ = 1888382678. Its totient is φ = 249017472.

The previous prime is 747052399. The next prime is 747052457. The reversal of 747052452 is 254250747.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 625700196 + 121352256 = 25014^2 + 11016^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 20751457 = 747052452 / (7 + 4 + 7 + 0 + 5 + 2 + 4 + 5 + 2).

It is not an unprimeable number, because it can be changed into a prime (747052457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10375693 + ... + 10375764.

Almost surely, 2747052452 is an apocalyptic number.

It is an amenable number.

747052452 is an abundant number, since it is smaller than the sum of its proper divisors (1141330226).

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

747052452 is a wasteful number, since it uses less digits than its factorization.

747052452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20751467 (or 20751462 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 36.

The square root of 747052452 is about 27332.2602797500. The cubic root of 747052452 is about 907.3685004007.

The spelling of 747052452 in words is "seven hundred forty-seven million, fifty-two thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 20751457 41502914 62254371 83005828 124508742 186763113 249017484 373526226 747052452