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30655242 = 2326312699
BaseRepresentation
bin111010011110…
…0001100001010
32010200110002100
41310330030022
530321431432
63013014230
7521364612
oct164741412
963613070
1030655242
1116338812
12a324376
1364742c7
1440dda42
152a5807c
hex1d3c30a

30655242 has 24 divisors (see below), whose sum is σ = 66549600. Its totient is φ = 10198440.

The previous prime is 30655241. The next prime is 30655243. The reversal of 30655242 is 24255603.

30655242 is a `hidden beast` number, since 3 + 0 + 655 + 2 + 4 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (30655241) and next prime (30655243).

It is not an unprimeable number, because it can be changed into a prime (30655241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10009 + ... + 12707.

It is an arithmetic number, because the mean of its divisors is an integer number (2772900).

Almost surely, 230655242 is an apocalyptic number.

30655242 is an abundant number, since it is smaller than the sum of its proper divisors (35894358).

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

30655242 is a wasteful number, since it uses less digits than its factorization.

30655242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3338 (or 3335 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 30655242 is about 5536.7176196732. The cubic root of 30655242 is about 312.9691879015.

The spelling of 30655242 in words is "thirty million, six hundred fifty-five thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 631 1262 1893 2699 3786 5398 5679 8097 11358 16194 24291 48582 1703069 3406138 5109207 10218414 15327621 30655242