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242403055 = 5131370081
BaseRepresentation
bin11100111001011…
…00011011101111
3121220010100110221
432130230123233
5444023344210
640015312211
76002251306
oct1634543357
9556110427
10242403055
11114915004
126921b667
133b2b287b
142429d43d
15164331da
hexe72c6ef

242403055 has 8 divisors (see below), whose sum is σ = 293104944. Its totient is φ = 192441600.

The previous prime is 242403023. The next prime is 242403059. The reversal of 242403055 is 550304242.

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

It is not a de Polignac number, because 242403055 - 25 = 242403023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242403059) 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, 184386 + ... + 185695.

It is an arithmetic number, because the mean of its divisors is an integer number (36638118).

Almost surely, 2242403055 is an apocalyptic number.

242403055 is a deficient number, since it is larger than the sum of its proper divisors (50701889).

242403055 is a wasteful number, since it uses less digits than its factorization.

242403055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370217.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 242403055 is about 15569.2984748832. The cubic root of 242403055 is about 623.5137420613.

Adding to 242403055 its reverse (550304242), we get a palindrome (792707297).

The spelling of 242403055 in words is "two hundred forty-two million, four hundred three thousand, fifty-five".

Divisors: 1 5 131 655 370081 1850405 48480611 242403055