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507385742 = 23141199601
BaseRepresentation
bin11110001111100…
…001011110001110
31022100201212101112
4132033201132032
52014342320432
6122203012022
715400464503
oct3617413616
91270655345
10507385742
11240451466
12121b0a012
138116ca66
144b5594aa
152e8267b2
hex1e3e178e

507385742 has 16 divisors (see below), whose sum is σ = 804795264. Its totient is φ = 239520000.

The previous prime is 507385741. The next prime is 507385759. The reversal of 507385742 is 247583705.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a self number, because there is not a number n which added to its sum of digits gives 507385742.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507385741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 97259 + ... + 102342.

It is an arithmetic number, because the mean of its divisors is an integer number (50299704).

Almost surely, 2507385742 is an apocalyptic number.

507385742 is a deficient number, since it is larger than the sum of its proper divisors (297409522).

507385742 is a wasteful number, since it uses less digits than its factorization.

507385742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199675.

The product of its (nonzero) digits is 235200, while the sum is 41.

The square root of 507385742 is about 22525.2245715775. The cubic root of 507385742 is about 797.5894846900.

The spelling of 507385742 in words is "five hundred seven million, three hundred eighty-five thousand, seven hundred forty-two".

Divisors: 1 2 31 41 62 82 1271 2542 199601 399202 6187631 8183641 12375262 16367282 253692871 507385742