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2874392357 = 25189114113
BaseRepresentation
bin1010101101010011…
…1011111100100101
321102022200021001012
42223110323330211
521341321023412
61153120112005
7131141634434
oct25324737445
97368607035
102874392357
111245579581
12682765605
1336a6760a5
141d3a6b11b
1511c531c22
hexab53bf25

2874392357 has 4 divisors (see below), whose sum is σ = 2874531660. Its totient is φ = 2874253056.

The previous prime is 2874392321. The next prime is 2874392369. The reversal of 2874392357 is 7532934782.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7532934782 = 23766467391.

It can be written as a sum of positive squares in 2 ways, for example, as 1472563876 + 1401828481 = 38374^2 + 37441^2 .

It is a cyclic number.

It is not a de Polignac number, because 2874392357 - 26 = 2874392293 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 (2874392377) 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 3 ways as a sum of consecutive naturals, for example, 31868 + ... + 82245.

It is an arithmetic number, because the mean of its divisors is an integer number (718632915).

Almost surely, 22874392357 is an apocalyptic number.

It is an amenable number.

2874392357 is a deficient number, since it is larger than the sum of its proper divisors (139303).

2874392357 is a wasteful number, since it uses less digits than its factorization.

2874392357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139302.

The product of its digits is 2540160, while the sum is 50.

The square root of 2874392357 is about 53613.3598741955. The cubic root of 2874392357 is about 1421.8333057158.

The spelling of 2874392357 in words is "two billion, eight hundred seventy-four million, three hundred ninety-two thousand, three hundred fifty-seven".

Divisors: 1 25189 114113 2874392357