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61441963 = 115585633
BaseRepresentation
bin1110101001100…
…0011110101011
311021121120112021
43222120132223
5111212120323
610032525311
71344151042
oct352303653
9137546467
1061441963
1131756290
12186b0837
13c9633bb
148235559
1555da05d
hex3a987ab

61441963 has 4 divisors (see below), whose sum is σ = 67027608. Its totient is φ = 55856320.

The previous prime is 61441957. The next prime is 61441987. The reversal of 61441963 is 36914416.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 61441963 - 25 = 61441931 is a prime.

It is a super-2 number, since 2×614419632 = 7550229634586738, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61441943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2792806 + ... + 2792827.

It is an arithmetic number, because the mean of its divisors is an integer number (16756902).

Almost surely, 261441963 is an apocalyptic number.

61441963 is a deficient number, since it is larger than the sum of its proper divisors (5585645).

61441963 is a wasteful number, since it uses less digits than its factorization.

61441963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5585644.

The product of its digits is 15552, while the sum is 34.

The square root of 61441963 is about 7838.4923933114. The cubic root of 61441963 is about 394.5981342564.

The spelling of 61441963 in words is "sixty-one million, four hundred forty-one thousand, nine hundred sixty-three".

Divisors: 1 11 5585633 61441963