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506137507 = 3469145903
BaseRepresentation
bin11110001010110…
…000101110100011
31022021101110010121
4132022300232203
52014032400012
6122120141111
715354045361
oct3612605643
91267343117
10506137507
1123a779667
12121607797
1380b23865
144b312631
152e67ba07
hex1e2b0ba3

506137507 has 4 divisors (see below), whose sum is σ = 506286880. Its totient is φ = 505988136.

The previous prime is 506137483. The next prime is 506137529. The reversal of 506137507 is 705731605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 506137507 - 211 = 506135459 is a prime.

It is the 22498-th Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (506137547) by changing a digit.

It is a nontrivial repunit in base 22497.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69483 + ... + 76420.

It is an arithmetic number, because the mean of its divisors is an integer number (126571720).

Almost surely, 2506137507 is an apocalyptic number.

506137507 is a deficient number, since it is larger than the sum of its proper divisors (149373).

506137507 is a wasteful number, since it uses less digits than its factorization.

506137507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149372.

The product of its (nonzero) digits is 22050, while the sum is 34.

The square root of 506137507 is about 22497.5000166685. The cubic root of 506137507 is about 796.9348896001.

The spelling of 506137507 in words is "five hundred six million, one hundred thirty-seven thousand, five hundred seven".

Divisors: 1 3469 145903 506137507