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2315254442 = 21157627221
BaseRepresentation
bin1000100111111111…
…1111101010101010
312222100120010000112
42021333333222222
514220201120232
61021423534322
7111242223644
oct21177775252
95870503015
102315254442
11a8899aa26
1254745a3a2
132ab886557
1417d6bd894
15d83d64b2
hex89fffaaa

2315254442 has 4 divisors (see below), whose sum is σ = 3472881666. Its totient is φ = 1157627220.

The previous prime is 2315254439. The next prime is 2315254453. The reversal of 2315254442 is 2444525132.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1786668361 + 528586081 = 42269^2 + 22991^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2315254399 and 2315254408.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 578813609 + ... + 578813612.

Almost surely, 22315254442 is an apocalyptic number.

2315254442 is a deficient number, since it is larger than the sum of its proper divisors (1157627224).

2315254442 is a wasteful number, since it uses less digits than its factorization.

2315254442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157627223.

The product of its digits is 38400, while the sum is 32.

The square root of 2315254442 is about 48117.0909552936. The cubic root of 2315254442 is about 1322.9179484313.

Adding to 2315254442 its reverse (2444525132), we get a palindrome (4759779574).

The spelling of 2315254442 in words is "two billion, three hundred fifteen million, two hundred fifty-four thousand, four hundred forty-two".

Divisors: 1 2 1157627221 2315254442