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242312451 = 3145355589
BaseRepresentation
bin11100111000101…
…10010100000011
3121212221202012020
432130112110003
5444012444301
640013332523
76001423203
oct1634262403
9555852166
10242312451
11114862a27
1269197143
133b280564
1424278403
1516416436
hexe716503

242312451 has 8 divisors (see below), whose sum is σ = 323311440. Its totient is φ = 161427552.

The previous prime is 242312443. The next prime is 242312503. The reversal of 242312451 is 154213242.

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

It is not a de Polignac number, because 242312451 - 23 = 242312443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242312431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23436 + ... + 32153.

It is an arithmetic number, because the mean of its divisors is an integer number (40413930).

Almost surely, 2242312451 is an apocalyptic number.

242312451 is a deficient number, since it is larger than the sum of its proper divisors (80998989).

242312451 is a wasteful number, since it uses less digits than its factorization.

242312451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57045.

The product of its digits is 1920, while the sum is 24.

The square root of 242312451 is about 15566.3885021542. The cubic root of 242312451 is about 623.4360479373.

Adding to 242312451 its reverse (154213242), we get a palindrome (396525693).

The spelling of 242312451 in words is "two hundred forty-two million, three hundred twelve thousand, four hundred fifty-one".

Divisors: 1 3 1453 4359 55589 166767 80770817 242312451