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299048023 = 378082379
BaseRepresentation
bin10001110100110…
…001110001010111
3202211201012202201
4101310301301113
51103024014043
645401345331
710260603061
oct2164616127
9684635681
10299048023
1114389422a
1284198247
1349c566c1
142ba06731
151b3c1c4d
hex11d31c57

299048023 has 4 divisors (see below), whose sum is σ = 307130440. Its totient is φ = 290965608.

The previous prime is 299048021. The next prime is 299048053. The reversal of 299048023 is 320840992.

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 299048023 - 21 = 299048021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37), and also a Moran number because the ratio is a prime number: 8082379 = 299048023 / (2 + 9 + 9 + 0 + 4 + 8 + 0 + 2 + 3).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299048021) 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, 4041153 + ... + 4041226.

It is an arithmetic number, because the mean of its divisors is an integer number (76782610).

Almost surely, 2299048023 is an apocalyptic number.

299048023 is the 9244-th centered heptagonal number.

299048023 is a deficient number, since it is larger than the sum of its proper divisors (8082417).

299048023 is an equidigital number, since it uses as much as digits as its factorization.

299048023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082416.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 299048023 is about 17293.0050309366. The cubic root of 299048023 is about 668.7241055802.

The spelling of 299048023 in words is "two hundred ninety-nine million, forty-eight thousand, twenty-three".

Divisors: 1 37 8082379 299048023