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299075431 = 1104727073
BaseRepresentation
bin10001110100111…
…000011101100111
3202211202121100211
4101310320131213
51103030403211
645402120251
710261046014
oct2164703547
9684677324
10299075431
11143902886
12841b0087
1349c66015
142ba1270b
151b3c9e21
hex11d38767

299075431 has 4 divisors (see below), whose sum is σ = 299113552. Its totient is φ = 299037312.

The previous prime is 299075419. The next prime is 299075437. The reversal of 299075431 is 134570992.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 299075431 - 27 = 299075303 is a prime.

It is a super-2 number, since 2×2990754312 = 178892226855671522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299075437) 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, 2490 + ... + 24583.

It is an arithmetic number, because the mean of its divisors is an integer number (74778388).

Almost surely, 2299075431 is an apocalyptic number.

299075431 is a deficient number, since it is larger than the sum of its proper divisors (38121).

299075431 is a wasteful number, since it uses less digits than its factorization.

299075431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38120.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 299075431 is about 17293.7974719262. The cubic root of 299075431 is about 668.7445346629.

The spelling of 299075431 in words is "two hundred ninety-nine million, seventy-five thousand, four hundred thirty-one".

Divisors: 1 11047 27073 299075431