Search a number
-
+
1409844 = 223176911
BaseRepresentation
bin101011000001100110100
32122121221110
411120030310
5330103334
650115020
714661222
oct5301464
92577843
101409844
11883267
1257ba70
133a4937
14289b12
151ccae9
hex158334

1409844 has 24 divisors (see below), whose sum is σ = 3483648. Its totient is φ = 442240.

The previous prime is 1409843. The next prime is 1409851. The reversal of 1409844 is 4489041.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409843) 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, 3252 + ... + 3659.

It is an arithmetic number, because the mean of its divisors is an integer number (145152).

21409844 is an apocalyptic number.

It is an amenable number.

1409844 is an abundant number, since it is smaller than the sum of its proper divisors (2073804).

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

1409844 is a wasteful number, since it uses less digits than its factorization.

1409844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6935 (or 6933 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 30.

The square root of 1409844 is about 1187.3685190370. The cubic root of 1409844 is about 112.1304814318.

The spelling of 1409844 in words is "one million, four hundred nine thousand, eight hundred forty-four".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 6911 13822 20733 27644 41466 82932 117487 234974 352461 469948 704922 1409844