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525363741 = 32721191301
BaseRepresentation
bin11111010100000…
…110101000011101
31100121120020120100
4133110012220131
52033443114431
6124044211313
716006342500
oct3724065035
91317506510
10525363741
1124a610611
12127b39b39
1384ac5a26
144dab9137
15311c84e6
hex1f506a1d

525363741 has 18 divisors (see below), whose sum is σ = 882754782. Its totient is φ = 300207600.

The previous prime is 525363731. The next prime is 525363743. The reversal of 525363741 is 147363525.

525363741 is a `hidden beast` number, since 52 + 536 + 3 + 74 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 292923225 + 232440516 = 17115^2 + 15246^2 .

It is not a de Polignac number, because 525363741 - 215 = 525330973 is a prime.

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

It is a junction number, because it is equal to n+sod(n) for n = 525363696 and 525363705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (525363743) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 595210 + ... + 596091.

Almost surely, 2525363741 is an apocalyptic number.

It is an amenable number.

525363741 is a deficient number, since it is larger than the sum of its proper divisors (357391041).

525363741 is a wasteful number, since it uses less digits than its factorization.

525363741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191321 (or 1191311 counting only the distinct ones).

The product of its digits is 75600, while the sum is 36.

The square root of 525363741 is about 22920.8145797657. The cubic root of 525363741 is about 806.9005879855.

It can be divided in two parts, 52536374 and 1, that added together give a triangular number (52536375 = T10250).

The spelling of 525363741 in words is "five hundred twenty-five million, three hundred sixty-three thousand, seven hundred forty-one".

Divisors: 1 3 7 9 21 49 63 147 441 1191301 3573903 8339107 10721709 25017321 58373749 75051963 175121247 525363741