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52031002 = 289292309
BaseRepresentation
bin1100011001111…
…0111000011010
310121220110010011
43012132320122
5101304443002
65055112134
71201153612
oct306367032
9117813104
1052031002
1127408731
121551264a
13aa1999a
146ca5a42
15487b8d7
hex319ee1a

52031002 has 8 divisors (see below), whose sum is σ = 78923700. Its totient is φ = 25723104.

The previous prime is 52030981. The next prime is 52031003. The reversal of 52031002 is 20013025.

It can be written as a sum of positive squares in 2 ways, for example, as 51681721 + 349281 = 7189^2 + 591^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (52031003) 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, 145977 + ... + 146332.

Almost surely, 252031002 is an apocalyptic number.

52031002 is a deficient number, since it is larger than the sum of its proper divisors (26892698).

52031002 is a wasteful number, since it uses less digits than its factorization.

52031002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292400.

The product of its (nonzero) digits is 60, while the sum is 13.

The square root of 52031002 is about 7213.2518325648. The cubic root of 52031002 is about 373.3252774268.

Adding to 52031002 its reverse (20013025), we get a palindrome (72044027).

The spelling of 52031002 in words is "fifty-two million, thirty-one thousand, two".

Divisors: 1 2 89 178 292309 584618 26015501 52031002