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61606068 = 2235133839
BaseRepresentation
bin1110101100000…
…0100010110100
311021220220122020
43223000202310
5111232343233
610040233140
71345433346
oct353004264
9137826566
1061606068
1131858607
121876b7b0
13c9bccc4
148279296
15561d9b3
hex3ac08b4

61606068 has 12 divisors (see below), whose sum is σ = 143747520. Its totient is φ = 20535352.

The previous prime is 61606043. The next prime is 61606093. The reversal of 61606068 is 86060616.

It is an interprime number because it is at equal distance from previous prime (61606043) and next prime (61606093).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×616060682 = 7590615228841248, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 2566908 + ... + 2566931.

It is an arithmetic number, because the mean of its divisors is an integer number (11978960).

Almost surely, 261606068 is an apocalyptic number.

It is an amenable number.

61606068 is an abundant number, since it is smaller than the sum of its proper divisors (82141452).

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

61606068 is a wasteful number, since it uses less digits than its factorization.

61606068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5133846 (or 5133844 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 61606068 is about 7848.9533060148. The cubic root of 61606068 is about 394.9491319423.

The spelling of 61606068 in words is "sixty-one million, six hundred six thousand, sixty-eight".

Divisors: 1 2 3 4 6 12 5133839 10267678 15401517 20535356 30803034 61606068