Search a number
-
+
61012254 = 2359172351
BaseRepresentation
bin1110100010111…
…1100100011110
311020210202002010
43220233210132
5111104343004
610015412050
71340411202
oct350574436
9136722063
1061012254
1131492456
1218524026
13c842934
148162b02
155552a89
hex3a2f91e

61012254 has 16 divisors (see below), whose sum is σ = 124093440. Its totient is φ = 19992600.

The previous prime is 61012229. The next prime is 61012319. The reversal of 61012254 is 45221016.

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 61012254.

It is a congruent number.

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, 85822 + ... + 86529.

It is an arithmetic number, because the mean of its divisors is an integer number (7755840).

Almost surely, 261012254 is an apocalyptic number.

61012254 is an abundant number, since it is smaller than the sum of its proper divisors (63081186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61012254 is a wasteful number, since it uses less digits than its factorization.

61012254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172415.

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 61012254 is about 7811.0341184762. The cubic root of 61012254 is about 393.6760760188.

The spelling of 61012254 in words is "sixty-one million, twelve thousand, two hundred fifty-four".

Divisors: 1 2 3 6 59 118 177 354 172351 344702 517053 1034106 10168709 20337418 30506127 61012254