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7666272 = 253319467
BaseRepresentation
bin11101001111101001100000
3112102111011000
4131033221200
53430310042
6432152000
7122106435
oct35175140
915374130
107666272
114366869
122698600
131785573
141037b8c
15a1674c
hex74fa60

7666272 has 96 divisors (see below), whose sum is σ = 23587200. Its totient is φ = 2415744.

The previous prime is 7666261. The next prime is 7666273. The reversal of 7666272 is 2726667.

7666272 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7666273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16183 + ... + 16649.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 27666272 is an apocalyptic number.

7666272 is a gapful number since it is divisible by the number (72) 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 7666272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11793600).

7666272 is an abundant number, since it is smaller than the sum of its proper divisors (15920928).

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

7666272 is a wasteful number, since it uses less digits than its factorization.

7666272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 491 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 7666272 is about 2768.8033516304. The cubic root of 7666272 is about 197.1793397241.

The spelling of 7666272 in words is "seven million, six hundred sixty-six thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 72 76 96 108 114 144 152 171 216 228 288 304 342 432 456 467 513 608 684 864 912 934 1026 1368 1401 1824 1868 2052 2736 2802 3736 4104 4203 5472 5604 7472 8208 8406 8873 11208 12609 14944 16416 16812 17746 22416 25218 26619 33624 35492 44832 50436 53238 67248 70984 79857 100872 106476 134496 141968 159714 201744 212952 239571 283936 319428 403488 425904 479142 638856 851808 958284 1277712 1916568 2555424 3833136 7666272