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5290235808 = 2531113312401
BaseRepresentation
bin1001110110101001…
…01001011110100000
3111122200111211020120
410323110221132200
541313300021213
62232540040240
7245045156004
oct47324513640
914580454216
105290235808
112275222510
121037833080
1366401b260
14382852704
1520e687423
hex13b5297a0

5290235808 has 288 divisors, whose sum is σ = 16899938496. Its totient is φ = 1428480000.

The previous prime is 5290235803. The next prime is 5290235813. The reversal of 5290235808 is 8085320925.

It is an interprime number because it is at equal distance from previous prime (5290235803) and next prime (5290235813).

It is a self number, because there is not a number n which added to its sum of digits gives 5290235808.

It is not an unprimeable number, because it can be changed into a prime (5290235803) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13192408 + ... + 13192808.

It is an arithmetic number, because the mean of its divisors is an integer number (58680342).

Almost surely, 25290235808 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 5290235808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8449969248).

5290235808 is an abundant number, since it is smaller than the sum of its proper divisors (11609702688).

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

5290235808 is a wasteful number, since it uses less digits than its factorization.

5290235808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500 (or 461 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The square root of 5290235808 is about 72734.0072318307. The cubic root of 5290235808 is about 1742.4420512803.

The spelling of 5290235808 in words is "five billion, two hundred ninety million, two hundred thirty-five thousand, eight hundred eight".