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2315224091 = 23100661917
BaseRepresentation
bin1000100111111111…
…1000010000011011
312222100111120101102
42021333320100123
514220144132331
61021423142015
7111242036315
oct21177702033
95870446342
102315224091
11a8897a144
1254744490b
132ab8757ab
1417d6b27b5
15d83cc4cb
hex89ff841b

2315224091 has 4 divisors (see below), whose sum is σ = 2415886032. Its totient is φ = 2214562152.

The previous prime is 2315224031. The next prime is 2315224123. The reversal of 2315224091 is 1904225132.

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 2315224091 - 26 = 2315224027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315224001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50330936 + ... + 50330981.

It is an arithmetic number, because the mean of its divisors is an integer number (603971508).

Almost surely, 22315224091 is an apocalyptic number.

2315224091 is a deficient number, since it is larger than the sum of its proper divisors (100661941).

2315224091 is a wasteful number, since it uses less digits than its factorization.

2315224091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100661940.

The product of its (nonzero) digits is 4320, while the sum is 29.

The square root of 2315224091 is about 48116.7755673632. The cubic root of 2315224091 is about 1322.9121676328.

The spelling of 2315224091 in words is "two billion, three hundred fifteen million, two hundred twenty-four thousand, ninety-one".

Divisors: 1 23 100661917 2315224091