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2309479423 = 89113229639
BaseRepresentation
bin1000100110100111…
…1101101111111111
312221221200201011221
42021221331233333
514212211320143
61021100054211
7111142152106
oct21151755777
95857621157
102309479423
11a85706089
12545534367
132aa613a94
1417ca1903d
15d7b452ed
hex89a7dbff

2309479423 has 8 divisors (see below), whose sum is σ = 2356106400. Its totient is φ = 2263312128.

The previous prime is 2309479397. The next prime is 2309479429. The reversal of 2309479423 is 3249749032.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-2309479423 is a prime.

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 2309479423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309479429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104763 + ... + 124876.

It is an arithmetic number, because the mean of its divisors is an integer number (294513300).

Almost surely, 22309479423 is an apocalyptic number.

2309479423 is a deficient number, since it is larger than the sum of its proper divisors (46626977).

2309479423 is a wasteful number, since it uses less digits than its factorization.

2309479423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229841.

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 2309479423 is about 48057.0434275768. The cubic root of 2309479423 is about 1321.8170993408.

The spelling of 2309479423 in words is "two billion, three hundred nine million, four hundred seventy-nine thousand, four hundred twenty-three".

Divisors: 1 89 113 10057 229639 20437871 25949207 2309479423