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5215104524 = 227732551421
BaseRepresentation
bin1001101101101100…
…00010111000001100
3111110110010202111102
410312312002320030
541140031321044
62221253442232
7243143441240
oct46666027014
914413122442
105215104524
112236877243
121016640378
136515a3c86
14376896420
15207c9624e
hex136d82e0c

5215104524 has 24 divisors (see below), whose sum is σ = 10573092768. Its totient is φ = 2204426880.

The previous prime is 5215104523. The next prime is 5215104529. The reversal of 5215104524 is 4254015125.

It is not an unprimeable number, because it can be changed into a prime (5215104523) 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, 1273667 + ... + 1277754.

It is an arithmetic number, because the mean of its divisors is an integer number (440545532).

Almost surely, 25215104524 is an apocalyptic number.

It is an amenable number.

5215104524 is an abundant number, since it is smaller than the sum of its proper divisors (5357988244).

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

5215104524 is a wasteful number, since it uses less digits than its factorization.

5215104524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2551505 (or 2551503 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

The square root of 5215104524 is about 72215.6805963913. The cubic root of 5215104524 is about 1734.1540416049.

Adding to 5215104524 its reverse (4254015125), we get a palindrome (9469119649).

The spelling of 5215104524 in words is "five billion, two hundred fifteen million, one hundred four thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 28 73 146 292 511 1022 2044 2551421 5102842 10205684 17859947 35719894 71439788 186253733 372507466 745014932 1303776131 2607552262 5215104524