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2858974493 = 7079403867
BaseRepresentation
bin1010101001101000…
…0111110100011101
321101020122221201012
42222122013310131
521323344140433
61151405425005
7130563611414
oct25232076435
97336587635
102858974493
1112378a8941
1267956b165
133674084ab
141d19b647b
1511aed8848
hexaa687d1d

2858974493 has 4 divisors (see below), whose sum is σ = 2859385440. Its totient is φ = 2858563548.

The previous prime is 2858974477. The next prime is 2858974607. The reversal of 2858974493 is 3944798582.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2858974493 - 24 = 2858974477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858974453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194855 + ... + 209012.

It is an arithmetic number, because the mean of its divisors is an integer number (714846360).

Almost surely, 22858974493 is an apocalyptic number.

It is an amenable number.

2858974493 is a deficient number, since it is larger than the sum of its proper divisors (410947).

2858974493 is an equidigital number, since it uses as much as digits as its factorization.

2858974493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410946.

The product of its digits is 17418240, while the sum is 59.

The square root of 2858974493 is about 53469.3790220160. The cubic root of 2858974493 is about 1419.2865709687.

The spelling of 2858974493 in words is "two billion, eight hundred fifty-eight million, nine hundred seventy-four thousand, four hundred ninety-three".

Divisors: 1 7079 403867 2858974493