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242516245 = 5263311593
BaseRepresentation
bin11100111010010…
…00000100010101
3121220100002202011
432131020010111
5444041004440
640021544221
76003232306
oct1635100425
9556302664
10242516245
11114992054
1269275071
133b32224a
14242cc7ad
15164569ea
hexe748115

242516245 has 16 divisors (see below), whose sum is σ = 293559552. Its totient is φ = 192328960.

The previous prime is 242516243. The next prime is 242516257. The reversal of 242516245 is 542615242.

It is not a de Polignac number, because 242516245 - 21 = 242516243 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 (242516243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 408669 + ... + 409261.

It is an arithmetic number, because the mean of its divisors is an integer number (18347472).

Almost surely, 2242516245 is an apocalyptic number.

It is an amenable number.

242516245 is a deficient number, since it is larger than the sum of its proper divisors (51043307).

242516245 is a wasteful number, since it uses less digits than its factorization.

242516245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172.

The product of its digits is 19200, while the sum is 31.

The square root of 242516245 is about 15572.9330891775. The cubic root of 242516245 is about 623.6107767820.

The spelling of 242516245 in words is "two hundred forty-two million, five hundred sixteen thousand, two hundred forty-five".

Divisors: 1 5 263 311 593 1315 1555 2965 81793 155959 184423 408965 779795 922115 48503249 242516245