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61653068 = 2215413267
BaseRepresentation
bin1110101100110…
…0000001001100
311022000022002222
43223030001030
5111240344233
610041234512
71346020361
oct353140114
9138008088
1061653068
113188a954
1218792a38
13ca08509
14828c468
15562c898
hex3acc04c

61653068 has 6 divisors (see below), whose sum is σ = 107892876. Its totient is φ = 30826532.

The previous prime is 61653061. The next prime is 61653077. The reversal of 61653068 is 86035616.

It is a super-2 number, since 2×616530682 = 7602201587625248, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (61653061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7706630 + ... + 7706637.

It is an arithmetic number, because the mean of its divisors is an integer number (17982146).

Almost surely, 261653068 is an apocalyptic number.

It is an amenable number.

61653068 is a deficient number, since it is larger than the sum of its proper divisors (46239808).

61653068 is a wasteful number, since it uses less digits than its factorization.

61653068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15413271 (or 15413269 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 61653068 is about 7851.9467649749. The cubic root of 61653068 is about 395.0495435373.

The spelling of 61653068 in words is "sixty-one million, six hundred fifty-three thousand, sixty-eight".

Divisors: 1 2 4 15413267 30826534 61653068