Search a number
-
+
61144614 = 23217199819
BaseRepresentation
bin1110100100111…
…1111000100110
311021001110122100
43221033320212
5111123111424
610022312530
71341502116
oct351177046
9137043570
1061144614
1131572943
1218588746
13c88ac5b
148199046
15557bdc9
hex3a4fe26

61144614 has 24 divisors (see below), whose sum is σ = 140273640. Its totient is φ = 19182528.

The previous prime is 61144613. The next prime is 61144621. The reversal of 61144614 is 41644116.

61144614 is a `hidden beast` number, since 6 + 1 + 1 + 44 + 614 = 666.

It is a super-4 number, since 4×611446144 (a number of 32 digits) contains 4444 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61144613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 99604 + ... + 100215.

It is an arithmetic number, because the mean of its divisors is an integer number (5844735).

Almost surely, 261144614 is an apocalyptic number.

61144614 is an abundant number, since it is smaller than the sum of its proper divisors (79129026).

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

61144614 is a wasteful number, since it uses less digits than its factorization.

61144614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199844 (or 199841 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 61144614 is about 7819.5021580661. The cubic root of 61144614 is about 393.9605507326.

The spelling of 61144614 in words is "sixty-one million, one hundred forty-four thousand, six hundred fourteen".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 199819 399638 599457 1198914 1798371 3396923 3596742 6793846 10190769 20381538 30572307 61144614