Search a number
-
+
244904724 = 22326802909
BaseRepresentation
bin11101001100011…
…11001100010100
3122001211110010100
432212033030110
51000143422344
640145054100
76032440641
oct1646171424
9561743110
10244904724
111162735a9
126a027330
133b97a44c
1424750dc8
1516779569
hexe98f314

244904724 has 18 divisors (see below), whose sum is σ = 619064810. Its totient is φ = 81634896.

The previous prime is 244904719. The next prime is 244904731. The reversal of 244904724 is 427409442.

244904724 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 170772624 + 74132100 = 13068^2 + 8610^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 6802909 = 244904724 / (2 + 4 + 4 + 9 + 0 + 4 + 7 + 2 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3401419 + ... + 3401490.

Almost surely, 2244904724 is an apocalyptic number.

It is an amenable number.

244904724 is an abundant number, since it is smaller than the sum of its proper divisors (374160086).

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

244904724 is a wasteful number, since it uses less digits than its factorization.

244904724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6802919 (or 6802914 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 244904724 is about 15649.4320663722. The cubic root of 244904724 is about 625.6513520956.

The spelling of 244904724 in words is "two hundred forty-four million, nine hundred four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 6802909 13605818 20408727 27211636 40817454 61226181 81634908 122452362 244904724