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61068825 = 3252674051
BaseRepresentation
bin1110100011110…
…1011000011001
311020220121200100
43220331120121
5111113200300
610020530013
71341035136
oct350753031
9136817610
1061068825
1131520a04
1218550909
13c8625cc
14817958d
155564700
hex3a3d619

61068825 has 36 divisors (see below), whose sum is σ = 111041008. Its totient is φ = 32076000.

The previous prime is 61068823. The next prime is 61068883. The reversal of 61068825 is 52886016.

It is a happy number.

It is not a de Polignac number, because 61068825 - 21 = 61068823 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61068825.

It is not an unprimeable number, because it can be changed into a prime (61068823) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 13050 + ... + 17100.

Almost surely, 261068825 is an apocalyptic number.

It is an amenable number.

61068825 is a deficient number, since it is larger than the sum of its proper divisors (49972183).

61068825 is a wasteful number, since it uses less digits than its factorization.

61068825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134 (or 4126 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 61068825 is about 7814.6545029195. The cubic root of 61068825 is about 393.7977115276.

The spelling of 61068825 in words is "sixty-one million, sixty-eight thousand, eight hundred twenty-five".

Divisors: 1 3 5 9 15 25 45 67 75 201 225 335 603 1005 1675 3015 4051 5025 12153 15075 20255 36459 60765 101275 182295 271417 303825 814251 911475 1357085 2442753 4071255 6785425 12213765 20356275 61068825