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9974297031 = 33324765677
BaseRepresentation
bin10010100101000001…
…11011000111000111
3221202010101210021120
421102200323013013
5130411410001111
64325423445023
7502113061116
oct112240730707
927663353246
109974297031
114259259a96
121b24456773
13c2c58b30a
146a8991c7d
153d59d2406
hex25283b1c7

9974297031 has 4 divisors (see below), whose sum is σ = 13299062712. Its totient is φ = 6649531352.

The previous prime is 9974297009. The next prime is 9974297063. The reversal of 9974297031 is 1307924799.

9974297031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9974297031 - 213 = 9974288839 is a prime.

It is a super-2 number, since 2×99742970312 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9974297831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1662382836 + ... + 1662382841.

It is an arithmetic number, because the mean of its divisors is an integer number (3324765678).

Almost surely, 29974297031 is an apocalyptic number.

9974297031 is a deficient number, since it is larger than the sum of its proper divisors (3324765681).

9974297031 is a wasteful number, since it uses less digits than its factorization.

9974297031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3324765680.

The product of its (nonzero) digits is 857304, while the sum is 51.

The square root of 9974297031 is about 99871.4024683743. The cubic root of 9974297031 is about 2152.5872607110.

The spelling of 9974297031 in words is "nine billion, nine hundred seventy-four million, two hundred ninety-seven thousand, thirty-one".

Divisors: 1 3 3324765677 9974297031