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30467272 = 23112315053
BaseRepresentation
bin111010000111…
…0010011001000
32010022220020111
41310032103020
530244423042
63005004104
7516652603
oct164162310
963286214
1030467272
111621a570
12a253634
136409894
14409133a
152a1c517
hex1d0e4c8

30467272 has 32 divisors (see below), whose sum is σ = 65033280. Its totient is φ = 13245760.

The previous prime is 30467237. The next prime is 30467273. The reversal of 30467272 is 27276403.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30467273) 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 in 7 ways as a sum of consecutive naturals, for example, 5503 + ... + 9550.

It is an arithmetic number, because the mean of its divisors is an integer number (2032290).

Almost surely, 230467272 is an apocalyptic number.

It is an amenable number.

30467272 is an abundant number, since it is smaller than the sum of its proper divisors (34566008).

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

30467272 is a wasteful number, since it uses less digits than its factorization.

30467272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15093 (or 15089 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 30467272 is about 5519.7166593948. The cubic root of 30467272 is about 312.3281939886.

It can be divided in two parts, 304 and 67272, that added together give a palindrome (67576).

The spelling of 30467272 in words is "thirty million, four hundred sixty-seven thousand, two hundred seventy-two".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 15053 30106 60212 120424 165583 331166 346219 662332 692438 1324664 1384876 2769752 3808409 7616818 15233636 30467272