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61410666 = 2373140207
BaseRepresentation
bin1110101001000…
…0110101101010
311021112222121010
43222100311222
5111210120131
610032124350
71343660562
oct352206552
9137488533
1061410666
1131734819
12186966b6
13c952095
148227da2
1555d0b46
hex3a90d6a

61410666 has 16 divisors (see below), whose sum is σ = 124504704. Its totient is φ = 20189664.

The previous prime is 61410653. The next prime is 61410677. The reversal of 61410666 is 66601416.

61410666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 69666 + ... + 70541.

It is an arithmetic number, because the mean of its divisors is an integer number (7781544).

Almost surely, 261410666 is an apocalyptic number.

61410666 is an abundant number, since it is smaller than the sum of its proper divisors (63094038).

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

61410666 is a wasteful number, since it uses less digits than its factorization.

61410666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140285.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 61410666 is about 7836.4957729842. The cubic root of 61410666 is about 394.5311234021.

The spelling of 61410666 in words is "sixty-one million, four hundred ten thousand, six hundred sixty-six".

Divisors: 1 2 3 6 73 146 219 438 140207 280414 420621 841242 10235111 20470222 30705333 61410666