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30107572 = 22113122073
BaseRepresentation
bin111001011011…
…0011110110100
32002122121211021
41302312132310
530201420242
62553150524
7513624115
oct162663664
962577737
1030107572
1115aa42a0
12a0bb444
136311c41
143dda20c
15299ab67
hex1cb67b4

30107572 has 24 divisors (see below), whose sum is σ = 59334912. Its totient is φ = 13243200.

The previous prime is 30107569. The next prime is 30107573. The reversal of 30107572 is 27570103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30107573) 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, 9673 + ... + 12400.

It is an arithmetic number, because the mean of its divisors is an integer number (2472288).

Almost surely, 230107572 is an apocalyptic number.

It is an amenable number.

30107572 is a deficient number, since it is larger than the sum of its proper divisors (29227340).

30107572 is a wasteful number, since it uses less digits than its factorization.

30107572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22119 (or 22117 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 25.

The square root of 30107572 is about 5487.0367230410. The cubic root of 30107572 is about 311.0941978145.

Adding to 30107572 its reverse (27570103), we get a palindrome (57677675).

The spelling of 30107572 in words is "thirty million, one hundred seven thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 31 44 62 124 341 682 1364 22073 44146 88292 242803 485606 684263 971212 1368526 2737052 7526893 15053786 30107572