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7666242 = 232814547
BaseRepresentation
bin11101001111101001000010
3112102111002220
4131033221002
53430304432
6432151510
7122106363
oct35175102
915374086
107666242
114366841
122698596
13178554c
141037b6a
15a1672c
hex74fa42

7666242 has 16 divisors (see below), whose sum is σ = 15390432. Its totient is φ = 2545760.

The previous prime is 7666213. The next prime is 7666247. The reversal of 7666242 is 2426667.

7666242 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (7666247) 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, 588 + ... + 3959.

It is an arithmetic number, because the mean of its divisors is an integer number (961902).

Almost surely, 27666242 is an apocalyptic number.

7666242 is an abundant number, since it is smaller than the sum of its proper divisors (7724190).

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

7666242 is a wasteful number, since it uses less digits than its factorization.

7666242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4833.

The product of its digits is 24192, while the sum is 33.

The square root of 7666242 is about 2768.7979341223. The cubic root of 7666242 is about 197.1790825201.

The spelling of 7666242 in words is "seven million, six hundred sixty-six thousand, two hundred forty-two".

Divisors: 1 2 3 6 281 562 843 1686 4547 9094 13641 27282 1277707 2555414 3833121 7666242