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61468730 = 256146873
BaseRepresentation
bin1110101001111…
…1000000111010
311021122221020122
43222133000322
5111213444410
610033253242
71344322061
oct352370072
9137587218
1061468730
1131774404
1218704222
13c97263b
1482411d8
1555e2e55
hex3a9f03a

61468730 has 8 divisors (see below), whose sum is σ = 110643732. Its totient is φ = 24587488.

The previous prime is 61468727. The next prime is 61468741. The reversal of 61468730 is 3786416.

61468730 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in 2 ways, for example, as 60730849 + 737881 = 7793^2 + 859^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3073427 + ... + 3073446.

Almost surely, 261468730 is an apocalyptic number.

61468730 is a deficient number, since it is larger than the sum of its proper divisors (49175002).

61468730 is a wasteful number, since it uses less digits than its factorization.

61468730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6146880.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 61468730 is about 7840.1996148057. The cubic root of 61468730 is about 394.6554277537.

The spelling of 61468730 in words is "sixty-one million, four hundred sixty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 6146873 12293746 30734365 61468730