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2490876 = 223269191
BaseRepresentation
bin1001100000000111111100
311200112211200
421200013330
51114202001
6125215500
730113013
oct11400774
94615750
102490876
111451483
12a01590
136929bb
1448ba7a
15343086
hex2601fc

2490876 has 18 divisors (see below), whose sum is σ = 6296472. Its totient is φ = 830280.

The previous prime is 2490869. The next prime is 2490889. The reversal of 2490876 is 6780942.

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

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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: 69191 = 2490876 / (2 + 4 + 9 + 0 + 8 + 7 + 6).

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2490876.

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, 34560 + ... + 34631.

It is an arithmetic number, because the mean of its divisors is an integer number (349804).

22490876 is an apocalyptic number.

It is an amenable number.

2490876 is an abundant number, since it is smaller than the sum of its proper divisors (3805596).

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

2490876 is a wasteful number, since it uses less digits than its factorization.

2490876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69201 (or 69196 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2490876 is about 1578.2509306191. The cubic root of 2490876 is about 135.5555705854. Note that the first 4 decimals are identical.

The spelling of 2490876 in words is "two million, four hundred ninety thousand, eight hundred seventy-six".

Divisors: 1 2 3 4 6 9 12 18 36 69191 138382 207573 276764 415146 622719 830292 1245438 2490876