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2490872 = 23311359
BaseRepresentation
bin1001100000000111111000
311200112211112
421200013320
51114201442
6125215452
730113006
oct11400770
94615745
102490872
11145147a
12a01588
136929b7
1448ba76
15343082
hex2601f8

2490872 has 8 divisors (see below), whose sum is σ = 4670400. Its totient is φ = 1245432.

The previous prime is 2490869. The next prime is 2490889. The reversal of 2490872 is 2780942.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155672 + ... + 155687.

It is an arithmetic number, because the mean of its divisors is an integer number (583800).

22490872 is an apocalyptic number.

It is an amenable number.

2490872 is a deficient number, since it is larger than the sum of its proper divisors (2179528).

2490872 is a wasteful number, since it uses less digits than its factorization.

2490872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311365 (or 311361 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 2490872 is about 1578.2496633930. The cubic root of 2490872 is about 135.5554980242. Note that the first 3 decimals are identical.

The spelling of 2490872 in words is "two million, four hundred ninety thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 311359 622718 1245436 2490872