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61006375 = 53488051
BaseRepresentation
bin1110100010111…
…0001000100111
311020210110000101
43220232020213
5111104201000
610015324531
71340355103
oct350561047
9136713011
1061006375
1131488aa1
1218520747
13c840061
148160903
155550e6a
hex3a2e227

61006375 has 8 divisors (see below), whose sum is σ = 76136112. Its totient is φ = 48805000.

The previous prime is 61006349. The next prime is 61006391. The reversal of 61006375 is 57360016.

61006375 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 61006375 - 211 = 61004327 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 243901 + ... + 244150.

It is an arithmetic number, because the mean of its divisors is an integer number (9517014).

Almost surely, 261006375 is an apocalyptic number.

61006375 is a deficient number, since it is larger than the sum of its proper divisors (15129737).

61006375 is an equidigital number, since it uses as much as digits as its factorization.

61006375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488066 (or 488056 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 61006375 is about 7810.6577827991. The cubic root of 61006375 is about 393.6634310399.

The spelling of 61006375 in words is "sixty-one million, six thousand, three hundred seventy-five".

Divisors: 1 5 25 125 488051 2440255 12201275 61006375