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5206761 = 3573061
BaseRepresentation
bin10011110111001011101001
3100210112100000
4103313023221
52313104021
6303333213
762154030
oct23671351
910715300
105206761
112a36a0a
1218b1209
131103c31
14997717
156ccb26
hex4f72e9

5206761 has 24 divisors (see below), whose sum is σ = 8916544. Its totient is φ = 2974320.

The previous prime is 5206739. The next prime is 5206783. The reversal of 5206761 is 1676025.

It is an interprime number because it is at equal distance from previous prime (5206739) and next prime (5206783).

It is not a de Polignac number, because 5206761 - 27 = 5206633 is a prime.

It is a super-2 number, since 2×52067612 = 54220720222242, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

5206761 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5206711) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 171 + ... + 3231.

Almost surely, 25206761 is an apocalyptic number.

It is an amenable number.

5206761 is a deficient number, since it is larger than the sum of its proper divisors (3709783).

5206761 is an equidigital number, since it uses as much as digits as its factorization.

5206761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083 (or 3071 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 5206761 is about 2281.8328159618. The cubic root of 5206761 is about 173.3228737114.

The spelling of 5206761 in words is "five million, two hundred six thousand, seven hundred sixty-one".

Divisors: 1 3 7 9 21 27 63 81 189 243 567 1701 3061 9183 21427 27549 64281 82647 192843 247941 578529 743823 1735587 5206761