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61025258 = 277735639
BaseRepresentation
bin1110100011001…
…0101111101010
311020211101220202
43220302233222
5111110302013
610015552202
71340464130
oct350625752
9136741822
1061025258
11314a11a8
121852b662
13c848828
148167750
155556858
hex3a32bea

61025258 has 16 divisors (see below), whose sum is σ = 104768640. Its totient is φ = 26115216.

The previous prime is 61025243. The next prime is 61025269. The reversal of 61025258 is 85252016.

It is a super-2 number, since 2×610252582 = 7448164227933128, which contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 61025258.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8003 + ... + 13641.

It is an arithmetic number, because the mean of its divisors is an integer number (6548040).

Almost surely, 261025258 is an apocalyptic number.

61025258 is a deficient number, since it is larger than the sum of its proper divisors (43743382).

61025258 is a wasteful number, since it uses less digits than its factorization.

61025258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 61025258 is about 7811.8664863143. The cubic root of 61025258 is about 393.7040430784.

The spelling of 61025258 in words is "sixty-one million, twenty-five thousand, two hundred fifty-eight".

Divisors: 1 2 7 14 773 1546 5411 5639 10822 11278 39473 78946 4358947 8717894 30512629 61025258