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525544542 = 232127229897
BaseRepresentation
bin11111010100110…
…010110001011110
31100121220102120200
4133110302301132
52034014411132
6124052124330
716011024555
oct3724626136
91317812520
10525544542
1124a724436
121280066a6
1384b5a103
144db24d9c
1531211d7c
hex1f532c5e

525544542 has 24 divisors (see below), whose sum is σ = 1147650816. Its totient is φ = 173801376.

The previous prime is 525544531. The next prime is 525544567. The reversal of 525544542 is 245445525.

525544542 is a `hidden beast` number, since 52 + 554 + 4 + 54 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 525544497 and 525544506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112663 + ... + 117234.

It is an arithmetic number, because the mean of its divisors is an integer number (47818784).

Almost surely, 2525544542 is an apocalyptic number.

525544542 is an abundant number, since it is smaller than the sum of its proper divisors (622106274).

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

525544542 is a wasteful number, since it uses less digits than its factorization.

525544542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230032 (or 230029 counting only the distinct ones).

The product of its digits is 160000, while the sum is 36.

The square root of 525544542 is about 22924.7582757158. The cubic root of 525544542 is about 806.9931408141.

The spelling of 525544542 in words is "five hundred twenty-five million, five hundred forty-four thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 18 127 254 381 762 1143 2286 229897 459794 689691 1379382 2069073 4138146 29196919 58393838 87590757 175181514 262772271 525544542