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873072427 = 2794131247
BaseRepresentation
bin110100000010100…
…000011100101011
32020211211200012211
4310002200130223
53242001304202
6222344545551
730430664443
oct6402403453
92224750184
10873072427
11408910267
122044822b7
1310bb59006
1483d4b123
15519ad1d7
hex340a072b

873072427 has 4 divisors (see below), whose sum is σ = 873131616. Its totient is φ = 873013240.

The previous prime is 873072413. The next prime is 873072457. The reversal of 873072427 is 724270378.

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 873072427 - 219 = 872548139 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 873072427.

It is not an unprimeable number, because it can be changed into a prime (873072407) 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, 12318 + ... + 43564.

It is an arithmetic number, because the mean of its divisors is an integer number (218282904).

Almost surely, 2873072427 is an apocalyptic number.

873072427 is a deficient number, since it is larger than the sum of its proper divisors (59189).

873072427 is a wasteful number, since it uses less digits than its factorization.

873072427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59188.

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 873072427 is about 29547.7990212469. The cubic root of 873072427 is about 955.7627293934.

The spelling of 873072427 in words is "eight hundred seventy-three million, seventy-two thousand, four hundred twenty-seven".

Divisors: 1 27941 31247 873072427