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61541601 = 3111864897
BaseRepresentation
bin1110101011000…
…0110011100001
311021210122012120
43222300303201
5111223312401
610035014453
71345044402
oct352606341
9137718176
1061541601
1131814130
121873a429
13c999864
14825d9a9
155609836
hex3ab0ce1

61541601 has 8 divisors (see below), whose sum is σ = 89515104. Its totient is φ = 37297920.

The previous prime is 61541587. The next prime is 61541611. The reversal of 61541601 is 10614516.

61541601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 61541601 - 211 = 61539553 is a prime.

It is a nialpdrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (61541611) 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 7 ways as a sum of consecutive naturals, for example, 932416 + ... + 932481.

It is an arithmetic number, because the mean of its divisors is an integer number (11189388).

Almost surely, 261541601 is an apocalyptic number.

It is an amenable number.

61541601 is a deficient number, since it is larger than the sum of its proper divisors (27973503).

61541601 is a wasteful number, since it uses less digits than its factorization.

61541601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1864911.

The product of its (nonzero) digits is 720, while the sum is 24.

The square root of 61541601 is about 7844.8455051709. The cubic root of 61541601 is about 394.8113204524.

The spelling of 61541601 in words is "sixty-one million, five hundred forty-one thousand, six hundred one".

Divisors: 1 3 11 33 1864897 5594691 20513867 61541601