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2494495389 = 31979553963
BaseRepresentation
bin1001010010101110…
…1111101010011101
320102211211111101010
42110223233222131
520102042323024
61051305405433
7115546601211
oct22453575235
96384744333
102494495389
111070094341
12597499879
13309a52a99
1419941a941
15e8edeb29
hex94aefa9d

2494495389 has 16 divisors (see below), whose sum is σ = 3545369600. Its totient is φ = 1555525296.

The previous prime is 2494495369. The next prime is 2494495463. The reversal of 2494495389 is 9835944942.

It is not a de Polignac number, because 2494495389 - 217 = 2494364317 is a prime.

It is a super-2 number, since 2×24944953892 = 12445014491484522642, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2494495369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272479 + ... + 281484.

It is an arithmetic number, because the mean of its divisors is an integer number (221585600).

Almost surely, 22494495389 is an apocalyptic number.

It is an amenable number.

2494495389 is a deficient number, since it is larger than the sum of its proper divisors (1050874211).

2494495389 is a wasteful number, since it uses less digits than its factorization.

2494495389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554064.

The product of its digits is 11197440, while the sum is 57.

The square root of 2494495389 is about 49944.9235558530. The cubic root of 2494495389 is about 1356.2119554294.

The spelling of 2494495389 in words is "two billion, four hundred ninety-four million, four hundred ninety-five thousand, three hundred eighty-nine".

Divisors: 1 3 19 57 79 237 1501 4503 553963 1661889 10525297 31575891 43763077 131289231 831498463 2494495389