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61256998 = 21113192111
BaseRepresentation
bin1110100110101…
…1010100100110
311021021011210201
43221223110212
5111140210443
610024541114
71342450555
oct351532446
9137234721
1061256998
113163a320
121862179a
13c8ca15a
1481c7d9c
1555a034d
hex3a6b526

61256998 has 16 divisors (see below), whose sum is σ = 100362240. Its totient is φ = 27809800.

The previous prime is 61256977. The next prime is 61256999. The reversal of 61256998 is 89965216.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61256999) 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, 27963 + ... + 30073.

It is an arithmetic number, because the mean of its divisors is an integer number (6272640).

Almost surely, 261256998 is an apocalyptic number.

61256998 is a deficient number, since it is larger than the sum of its proper divisors (39105242).

61256998 is a wasteful number, since it uses less digits than its factorization.

61256998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443.

The product of its digits is 233280, while the sum is 46.

The square root of 61256998 is about 7826.6849942999. The cubic root of 61256998 is about 394.2017699315.

The spelling of 61256998 in words is "sixty-one million, two hundred fifty-six thousand, nine hundred ninety-eight".

Divisors: 1 2 11 22 1319 2111 2638 4222 14509 23221 29018 46442 2784409 5568818 30628499 61256998