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508424 = 23721297
BaseRepresentation
bin1111100001000001000
3221211102112
41330020020
5112232144
614521452
74215200
oct1741010
9854375
10508424
11317a94
12206288
1314a557
14d3400
15a099e
hex7c208

508424 has 24 divisors (see below), whose sum is σ = 1109790. Its totient is φ = 217728.

The previous prime is 508393. The next prime is 508433. The reversal of 508424 is 424805.

It can be written as a sum of positive squares in only one way, i.e., 268324 + 240100 = 518^2 + 490^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 508424.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 508424.

It is an unprimeable number.

508424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 257 + ... + 1040.

2508424 is an apocalyptic number.

It is an amenable number.

508424 is an abundant number, since it is smaller than the sum of its proper divisors (601366).

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

508424 is a wasteful number, since it uses less digits than its factorization.

508424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1317 (or 1306 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 508424 is about 713.0385683818. The cubic root of 508424 is about 79.8133146963.

The spelling of 508424 in words is "five hundred eight thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 49 56 98 196 392 1297 2594 5188 9079 10376 18158 36316 63553 72632 127106 254212 508424