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245422131 = 3731120649
BaseRepresentation
bin11101010000011…
…01100000110011
3122002210201212120
432220031200303
51000312002011
640204125323
76040024263
oct1650154063
9562721776
10245422131
11116597309
126a236843
133bacbac6
14248477a3
151682ca06
hexea0d833

245422131 has 8 divisors (see below), whose sum is σ = 331712400. Its totient is φ = 161373312.

The previous prime is 245422103. The next prime is 245422159. The reversal of 245422131 is 131224542.

It is an interprime number because it is at equal distance from previous prime (245422103) and next prime (245422159).

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

It is not a de Polignac number, because 245422131 - 27 = 245422003 is a prime.

It is a super-2 number, since 2×2454221312 = 120464044769162322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (245422181) 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, 560106 + ... + 560543.

It is an arithmetic number, because the mean of its divisors is an integer number (41464050).

Almost surely, 2245422131 is an apocalyptic number.

245422131 is a deficient number, since it is larger than the sum of its proper divisors (86290269).

245422131 is a wasteful number, since it uses less digits than its factorization.

245422131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1120725.

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

The square root of 245422131 is about 15665.9545192752. The cubic root of 245422131 is about 626.0916439780.

Adding to 245422131 its reverse (131224542), we get a palindrome (376646673).

The spelling of 245422131 in words is "two hundred forty-five million, four hundred twenty-two thousand, one hundred thirty-one".

Divisors: 1 3 73 219 1120649 3361947 81807377 245422131