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7240404 = 2232692243
BaseRepresentation
bin11011100111101011010100
3111121211222010
4123213223110
53323143104
6415104220
7115354023
oct33475324
914554863
107240404
1140a5906
122512070
131666782
14d668ba
15980489
hex6e7ad4

7240404 has 24 divisors (see below), whose sum is σ = 16964640. Its totient is φ = 2403424.

The previous prime is 7240403. The next prime is 7240411. The reversal of 7240404 is 4040427.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7240403) 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, 2107 + ... + 4349.

It is an arithmetic number, because the mean of its divisors is an integer number (706860).

Almost surely, 27240404 is an apocalyptic number.

It is an amenable number.

7240404 is an abundant number, since it is smaller than the sum of its proper divisors (9724236).

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

7240404 is a wasteful number, since it uses less digits than its factorization.

7240404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2519 (or 2517 counting only the distinct ones).

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

The square root of 7240404 is about 2690.7998810763. The cubic root of 7240404 is about 193.4584036809.

The spelling of 7240404 in words is "seven million, two hundred forty thousand, four hundred four".

Divisors: 1 2 3 4 6 12 269 538 807 1076 1614 2243 3228 4486 6729 8972 13458 26916 603367 1206734 1810101 2413468 3620202 7240404