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30072204 = 22327311443
BaseRepresentation
bin111001010110…
…1110110001100
32002120211022100
41302231312030
530144302304
62552315100
7513416031
oct162556614
962524270
1030072204
1115a7a768
12a0a2a90
1362cbb06
143dcb388
152990439
hex1cadd8c

30072204 has 36 divisors (see below), whose sum is σ = 77063896. Its totient is φ = 9885888.

The previous prime is 30072197. The next prime is 30072227. The reversal of 30072204 is 40227003.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3094 + ... + 8349.

Almost surely, 230072204 is an apocalyptic number.

It is an amenable number.

30072204 is an abundant number, since it is smaller than the sum of its proper divisors (46991692).

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

30072204 is a wasteful number, since it uses less digits than its factorization.

30072204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11526 (or 11521 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 30072204 is about 5483.8129070930. The cubic root of 30072204 is about 310.9723337775.

Adding to 30072204 its reverse (40227003), we get a palindrome (70299207).

It can be divided in two parts, 30072 and 204, that added together give a square (30276 = 1742).

The spelling of 30072204 in words is "thirty million, seventy-two thousand, two hundred four".

Divisors: 1 2 3 4 6 9 12 18 36 73 146 219 292 438 657 876 1314 2628 11443 22886 34329 45772 68658 102987 137316 205974 411948 835339 1670678 2506017 3341356 5012034 7518051 10024068 15036102 30072204