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507996640 = 2553174979
BaseRepresentation
bin11110010001110…
…110100111100000
31022101212220101101
4132101312213200
52020021343030
6122224044144
715405620524
oct3621664740
91271786341
10507996640
11240829438
12122163654
1381324b38
144b677d84
152e8e77ca
hex1e4769e0

507996640 has 24 divisors (see below), whose sum is σ = 1200142440. Its totient is φ = 203198592.

The previous prime is 507996631. The next prime is 507996649. The reversal of 507996640 is 46699705.

It is an interprime number because it is at equal distance from previous prime (507996631) and next prime (507996649).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507996649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587330 + ... + 1587649.

It is an arithmetic number, because the mean of its divisors is an integer number (50005935).

Almost surely, 2507996640 is an apocalyptic number.

It is an amenable number.

507996640 is an abundant number, since it is smaller than the sum of its proper divisors (692145800).

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

507996640 is a wasteful number, since it uses less digits than its factorization.

507996640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174994 (or 3174986 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 507996640 is about 22538.7808010992. The cubic root of 507996640 is about 797.9094584704.

The spelling of 507996640 in words is "five hundred seven million, nine hundred ninety-six thousand, six hundred forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 3174979 6349958 12699916 15874895 25399832 31749790 50799664 63499580 101599328 126999160 253998320 507996640