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5235681 = 311158657
BaseRepresentation
bin10011111110001111100001
3100212000000010
4103332033201
52320020211
6304115133
762334243
oct23761741
910760003
105235681
112a56710
121905aa9
131114149
149a4093
156d64a6
hex4fe3e1

5235681 has 8 divisors (see below), whose sum is σ = 7615584. Its totient is φ = 3173120.

The previous prime is 5235679. The next prime is 5235721. The reversal of 5235681 is 1865325.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5235681 - 21 = 5235679 is a prime.

It is a super-2 number, since 2×52356812 = 54824711067522, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5235641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79296 + ... + 79361.

It is an arithmetic number, because the mean of its divisors is an integer number (951948).

Almost surely, 25235681 is an apocalyptic number.

It is an amenable number.

5235681 is a deficient number, since it is larger than the sum of its proper divisors (2379903).

5235681 is a wasteful number, since it uses less digits than its factorization.

5235681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158671.

The product of its digits is 7200, while the sum is 30.

The square root of 5235681 is about 2288.1610520241. The cubic root of 5235681 is about 173.6431781326.

The spelling of 5235681 in words is "five million, two hundred thirty-five thousand, six hundred eighty-one".

Divisors: 1 3 11 33 158657 475971 1745227 5235681