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2490609 = 311711063
BaseRepresentation
bin1001100000000011110001
311200112110210
421200003301
51114144414
6125214333
730112152
oct11400361
94615423
102490609
111451260
12a013a9
13692844
1448b929
15342e59
hex2600f1

2490609 has 16 divisors (see below), whose sum is σ = 3677184. Its totient is φ = 1486800.

The previous prime is 2490599. The next prime is 2490613. The reversal of 2490609 is 9060942.

It is not a de Polignac number, because 2490609 - 212 = 2486513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2490659) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1812 + ... + 2874.

It is an arithmetic number, because the mean of its divisors is an integer number (229824).

22490609 is an apocalyptic number.

It is an amenable number.

2490609 is a deficient number, since it is larger than the sum of its proper divisors (1186575).

2490609 is a wasteful number, since it uses less digits than its factorization.

2490609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1148.

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 2490609 is about 1578.1663410427. The cubic root of 2490609 is about 135.5507269573.

The spelling of 2490609 in words is "two million, four hundred ninety thousand, six hundred nine".

Divisors: 1 3 11 33 71 213 781 1063 2343 3189 11693 35079 75473 226419 830203 2490609