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30065682 = 2337135431
BaseRepresentation
bin111001010110…
…0010000010010
32002120111100210
41302230100102
530144100212
62552224550
7513361023
oct162542022
962514323
1030065682
1115a75879
12a09b156
1362c8b5a
143dc8c4a
15298d53c
hex1cac412

30065682 has 16 divisors (see below), whose sum is σ = 61756992. Its totient is φ = 9750960.

The previous prime is 30065641. The next prime is 30065683. The reversal of 30065682 is 28656003.

It is not an unprimeable number, because it can be changed into a prime (30065683) 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, 67494 + ... + 67937.

It is an arithmetic number, because the mean of its divisors is an integer number (3859812).

Almost surely, 230065682 is an apocalyptic number.

30065682 is an abundant number, since it is smaller than the sum of its proper divisors (31691310).

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

30065682 is a wasteful number, since it uses less digits than its factorization.

30065682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135473.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 30065682 is about 5483.2182156102. The cubic root of 30065682 is about 310.9498511310.

The spelling of 30065682 in words is "thirty million, sixty-five thousand, six hundred eighty-two".

Divisors: 1 2 3 6 37 74 111 222 135431 270862 406293 812586 5010947 10021894 15032841 30065682