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61412163 = 320470721
BaseRepresentation
bin1110101001000…
…1001101000011
311021120001122120
43222101031003
5111210142123
610032135323
71343665131
oct352211503
9137501576
1061412163
113173595a
1218697543
13c952977
148228751
1555d12e3
hex3a91343

61412163 has 4 divisors (see below), whose sum is σ = 81882888. Its totient is φ = 40941440.

The previous prime is 61412101. The next prime is 61412167. The reversal of 61412163 is 36121416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61412163 - 213 = 61403971 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61412167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10235358 + ... + 10235363.

It is an arithmetic number, because the mean of its divisors is an integer number (20470722).

Almost surely, 261412163 is an apocalyptic number.

61412163 is a deficient number, since it is larger than the sum of its proper divisors (20470725).

61412163 is a wasteful number, since it uses less digits than its factorization.

61412163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20470724.

The product of its digits is 864, while the sum is 24.

The square root of 61412163 is about 7836.5912870329. The cubic root of 61412163 is about 394.5343291877.

Adding to 61412163 its reverse (36121416), we get a palindrome (97533579).

The spelling of 61412163 in words is "sixty-one million, four hundred twelve thousand, one hundred sixty-three".

Divisors: 1 3 20470721 61412163