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508427388 = 223374147349
BaseRepresentation
bin11110010011011…
…111110001111100
31022102200210021000
4132103133301330
52020124134023
6122241210300
715412363410
oct3623376174
91272623230
10508427388
11240aa3027
12122330990
1381445c11
144b74ad40
152e980243
hex1e4dfc7c

508427388 has 192 divisors, whose sum is σ = 1580544000. Its totient is φ = 138309120.

The previous prime is 508427321. The next prime is 508427393. The reversal of 508427388 is 883724805.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1456638 + ... + 1456986.

It is an arithmetic number, because the mean of its divisors is an integer number (8232000).

Almost surely, 2508427388 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 508427388, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (790272000).

508427388 is an abundant number, since it is smaller than the sum of its proper divisors (1072116612).

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

508427388 is a wasteful number, since it uses less digits than its factorization.

508427388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 45.

The square root of 508427388 is about 22548.3344839480. The cubic root of 508427388 is about 798.1349198072.

The spelling of 508427388 in words is "five hundred eight million, four hundred twenty-seven thousand, three hundred eighty-eight".