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61258 = 2109281
BaseRepresentation
bin1110111101001010
310010000211
432331022
53430013
61151334
7343411
oct167512
9103024
1061258
114202a
122b54a
1321b62
1418478
151323d
hexef4a

61258 has 8 divisors (see below), whose sum is σ = 93060. Its totient is φ = 30240.

The previous prime is 61253. The next prime is 61261. The reversal of 61258 is 85216.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59049 + 2209 = 243^2 + 47^2 .

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

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (61253) 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, 78 + ... + 358.

261258 is an apocalyptic number.

61258 is a deficient number, since it is larger than the sum of its proper divisors (31802).

61258 is a wasteful number, since it uses less digits than its factorization.

61258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 392.

The product of its digits is 480, while the sum is 22.

The square root of 61258 is about 247.5035353283. The cubic root of 61258 is about 39.4203919281.

The spelling of 61258 in words is "sixty-one thousand, two hundred fifty-eight".

Divisors: 1 2 109 218 281 562 30629 61258