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4779972 = 223414753
BaseRepresentation
bin10010001110111111000100
322222211220000
4102032333010
52210424342
6250241300
755425531
oct22167704
98884800
104779972
11277529a
121726230
13cb48b2
148c5d88
1564644c
hex48efc4

4779972 has 30 divisors (see below), whose sum is σ = 12496638. Its totient is φ = 1593216.

The previous prime is 4779961. The next prime is 4779979. The reversal of 4779972 is 2799774.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 4064256 + 715716 = 2016^2 + 846^2 .

It is a zygodrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (4779979) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 7053 + ... + 7700.

Almost surely, 24779972 is an apocalyptic number.

It is an amenable number.

4779972 is an abundant number, since it is smaller than the sum of its proper divisors (7716666).

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

4779972 is a wasteful number, since it uses less digits than its factorization.

4779972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14769 (or 14758 counting only the distinct ones).

The product of its digits is 222264, while the sum is 45.

The square root of 4779972 is about 2186.3147074472. The cubic root of 4779972 is about 168.4515911386.

The spelling of 4779972 in words is "four million, seven hundred seventy-nine thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 324 14753 29506 44259 59012 88518 132777 177036 265554 398331 531108 796662 1194993 1593324 2389986 4779972