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61258841 = 719934391
BaseRepresentation
bin1110100110101…
…1110001011001
311021021021022222
43221223301121
5111140240331
610024553425
71342456130
oct351536131
9137237288
1061258841
1131640746
1218622875
13c8cac47
1481c8917
1555a0b7b
hex3a6bc59

61258841 has 8 divisors (see below), whose sum is σ = 70061184. Its totient is φ = 52469280.

The previous prime is 61258819. The next prime is 61258859. The reversal of 61258841 is 14885216.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-61258841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (61258801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11756 + ... + 16146.

It is an arithmetic number, because the mean of its divisors is an integer number (8757648).

Almost surely, 261258841 is an apocalyptic number.

It is an amenable number.

61258841 is a deficient number, since it is larger than the sum of its proper divisors (8802343).

61258841 is a wasteful number, since it uses less digits than its factorization.

61258841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6391.

The product of its digits is 15360, while the sum is 35.

The square root of 61258841 is about 7826.8027316395. The cubic root of 61258841 is about 394.2057232571.

The spelling of 61258841 in words is "sixty-one million, two hundred fifty-eight thousand, eight hundred forty-one".

Divisors: 1 7 1993 4391 13951 30737 8751263 61258841