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61892243 = 721263107
BaseRepresentation
bin1110110000011…
…0011010010011
311022110110012022
43230012122103
5111321022433
610050322055
71351034600
oct354063223
9138413168
1061892243
1131a33616
121888932b
13ca9033a
1483116a7
155678698
hex3b06693

61892243 has 6 divisors (see below), whose sum is σ = 71997156. Its totient is φ = 53050452.

The previous prime is 61892227. The next prime is 61892251. The reversal of 61892243 is 34229816.

61892243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61892243 - 24 = 61892227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61892203) 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 5 ways as a sum of consecutive naturals, for example, 631505 + ... + 631602.

It is an arithmetic number, because the mean of its divisors is an integer number (11999526).

Almost surely, 261892243 is an apocalyptic number.

61892243 is a deficient number, since it is larger than the sum of its proper divisors (10104913).

61892243 is a wasteful number, since it uses less digits than its factorization.

61892243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263121 (or 1263114 counting only the distinct ones).

The product of its digits is 20736, while the sum is 35.

The square root of 61892243 is about 7867.1623219557. The cubic root of 61892243 is about 395.5597320178.

The spelling of 61892243 in words is "sixty-one million, eight hundred ninety-two thousand, two hundred forty-three".

Divisors: 1 7 49 1263107 8841749 61892243