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4272664 = 2311232111
BaseRepresentation
bin10000010011001000011000
322001001222211
4100103020120
52043211124
6231324504
751213514
oct20231030
98031884
104272664
112459130
121520734
13b67a06
147d3144
15595e94
hex413218

4272664 has 32 divisors (see below), whose sum is σ = 9123840. Its totient is φ = 1856800.

The previous prime is 4272659. The next prime is 4272683. The reversal of 4272664 is 4662724.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 969 + ... + 3079.

It is an arithmetic number, because the mean of its divisors is an integer number (285120).

Almost surely, 24272664 is an apocalyptic number.

4272664 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4561920).

4272664 is an abundant number, since it is smaller than the sum of its proper divisors (4851176).

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

4272664 is a wasteful number, since it uses less digits than its factorization.

4272664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2151 (or 2147 counting only the distinct ones).

The product of its digits is 16128, while the sum is 31.

The square root of 4272664 is about 2067.0423314485. The cubic root of 4272664 is about 162.2680113718.

The spelling of 4272664 in words is "four million, two hundred seventy-two thousand, six hundred sixty-four".

Divisors: 1 2 4 8 11 22 23 44 46 88 92 184 253 506 1012 2024 2111 4222 8444 16888 23221 46442 48553 92884 97106 185768 194212 388424 534083 1068166 2136332 4272664