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245112442 = 21091124369
BaseRepresentation
bin11101001110000…
…01111001111010
3122002020000001121
432213001321322
51000222044232
640153335454
76034264351
oct1647017172
9562200047
10245112442
111163a5673
126a10758a
133ba20b63
14247a6998
15167bad97
hexe9c1e7a

245112442 has 8 divisors (see below), whose sum is σ = 371042100. Its totient is φ = 121431744.

The previous prime is 245112433. The next prime is 245112463. The reversal of 245112442 is 244211542.

It can be written as a sum of positive squares in 2 ways, for example, as 241460521 + 3651921 = 15539^2 + 1911^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 561967 + ... + 562402.

Almost surely, 2245112442 is an apocalyptic number.

245112442 is a deficient number, since it is larger than the sum of its proper divisors (125929658).

245112442 is a wasteful number, since it uses less digits than its factorization.

245112442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1124480.

The product of its digits is 2560, while the sum is 25.

The square root of 245112442 is about 15656.0672584145. The cubic root of 245112442 is about 625.8281859282.

Adding to 245112442 its reverse (244211542), we get a palindrome (489323984).

The spelling of 245112442 in words is "two hundred forty-five million, one hundred twelve thousand, four hundred forty-two".

Divisors: 1 2 109 218 1124369 2248738 122556221 245112442