Search a number
-
+
4345872 = 243372447
BaseRepresentation
bin10000100101000000010000
322011210102020
4100211000100
52103031442
6233051440
751640116
oct20450020
98153366
104345872
1124a9133
121556b80
13b9212b
14811ab6
155ac9ec
hex425010

4345872 has 40 divisors (see below), whose sum is σ = 11534976. Its totient is φ = 1408896.

The previous prime is 4345849. The next prime is 4345903. The reversal of 4345872 is 2785434.

4345872 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 553 + ... + 2999.

Almost surely, 24345872 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4345872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5767488).

4345872 is an abundant number, since it is smaller than the sum of its proper divisors (7189104).

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

4345872 is a wasteful number, since it uses less digits than its factorization.

4345872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495 (or 2489 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 4345872 is about 2084.6755143187. The cubic root of 4345872 is about 163.1895370070.

The spelling of 4345872 in words is "four million, three hundred forty-five thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 37 48 74 111 148 222 296 444 592 888 1776 2447 4894 7341 9788 14682 19576 29364 39152 58728 90539 117456 181078 271617 362156 543234 724312 1086468 1448624 2172936 4345872