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30574132 = 227643533
BaseRepresentation
bin111010010100…
…0011000110100
32010112022211021
41310220120310
530311333012
63011150524
7520606261
oct164503064
963468737
1030574132
1116292886
12a2a5444
136446404
1440bc268
152a3e007
hex1d28634

30574132 has 6 divisors (see below), whose sum is σ = 53504738. Its totient is φ = 15287064.

The previous prime is 30574127. The next prime is 30574133. The reversal of 30574132 is 23147503.

It can be written as a sum of positive squares in only one way, i.e., 19324816 + 11249316 = 4396^2 + 3354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 30574097 and 30574106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30574133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3821763 + ... + 3821770.

Almost surely, 230574132 is an apocalyptic number.

It is an amenable number.

30574132 is a deficient number, since it is larger than the sum of its proper divisors (22930606).

30574132 is a wasteful number, since it uses less digits than its factorization.

30574132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643537 (or 7643535 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 30574132 is about 5529.3880312382. The cubic root of 30574132 is about 312.6929181065.

The spelling of 30574132 in words is "thirty million, five hundred seventy-four thousand, one hundred thirty-two".

Divisors: 1 2 4 7643533 15287066 30574132