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61465700 = 2252614657
BaseRepresentation
bin1110101001111…
…0010001100100
311021122210002102
43222132101210
5111213400300
610033231232
71344310202
oct352362144
9137583072
1061465700
11317720aa
1218702518
13c97114a
148240072
1555e20d5
hex3a9e464

61465700 has 18 divisors (see below), whose sum is σ = 133380786. Its totient is φ = 24586240.

The previous prime is 61465697. The next prime is 61465709. The reversal of 61465700 is 756416.

61465700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 22052416 + 39413284 = 4696^2 + 6278^2 .

It is not an unprimeable number, because it can be changed into a prime (61465709) 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, 307229 + ... + 307428.

Almost surely, 261465700 is an apocalyptic number.

It is an amenable number.

61465700 is an abundant number, since it is smaller than the sum of its proper divisors (71915086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61465700 is a wasteful number, since it uses less digits than its factorization.

61465700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 614671 (or 614664 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 61465700 is about 7840.0063775484. The cubic root of 61465700 is about 394.6489430170.

The spelling of 61465700 in words is "sixty-one million, four hundred sixty-five thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 50 100 614657 1229314 2458628 3073285 6146570 12293140 15366425 30732850 61465700