Search a number
-
+
2272404 = 223409463
BaseRepresentation
bin1000101010110010010100
311021110011010
420222302110
51040204104
6120412220
725213041
oct10526224
94243133
102272404
111312322
12917070
13617424
144321c8
152ed489
hex22ac94

2272404 has 24 divisors (see below), whose sum is σ = 5326720. Its totient is φ = 753984.

The previous prime is 2272397. The next prime is 2272409. The reversal of 2272404 is 4042722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2272409) 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, 4677 + ... + 5139.

22272404 is an apocalyptic number.

It is an amenable number.

2272404 is an abundant number, since it is smaller than the sum of its proper divisors (3054316).

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

2272404 is a wasteful number, since it uses less digits than its factorization.

2272404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 879 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 21.

The square root of 2272404 is about 1507.4495016418. The cubic root of 2272404 is about 131.4705606678.

The spelling of 2272404 in words is "two million, two hundred seventy-two thousand, four hundred four".

Divisors: 1 2 3 4 6 12 409 463 818 926 1227 1389 1636 1852 2454 2778 4908 5556 189367 378734 568101 757468 1136202 2272404