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30147204 = 22323109229
BaseRepresentation
bin111001100000…
…0001010000100
32002201122012010
41303000022010
530204202304
62554054220
7514150503
oct163001204
962648163
1030147204
111602104a
12a11a370
136326ca9
14400a83a
1529a7789
hex1cc0284

30147204 has 24 divisors (see below), whose sum is σ = 73402560. Its totient is φ = 9612064.

The previous prime is 30147203. The next prime is 30147209. The reversal of 30147204 is 40274103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30147203) 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, 54339 + ... + 54890.

It is an arithmetic number, because the mean of its divisors is an integer number (3058440).

Almost surely, 230147204 is an apocalyptic number.

It is an amenable number.

30147204 is an abundant number, since it is smaller than the sum of its proper divisors (43255356).

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

30147204 is a wasteful number, since it uses less digits than its factorization.

30147204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109259 (or 109257 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 30147204 is about 5490.6469564160. The cubic root of 30147204 is about 311.2306405597.

The spelling of 30147204 in words is "thirty million, one hundred forty-seven thousand, two hundred four".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 109229 218458 327687 436916 655374 1310748 2512267 5024534 7536801 10049068 15073602 30147204