Search a number
-
+
61885468 = 2215471367
BaseRepresentation
bin1110110000010…
…0110000011100
311022110002220101
43230010300130
5111320313333
610050230444
71351006051
oct354046034
9138402811
1061885468
1131a29517
1218885424
13ca8a228
14830d028
15567667d
hex3b04c1c

61885468 has 6 divisors (see below), whose sum is σ = 108299576. Its totient is φ = 30942732.

The previous prime is 61885459. The next prime is 61885487. The reversal of 61885468 is 86458816.

It is a super-2 number, since 2×618854682 = 7659622299158048, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7735680 + ... + 7735687.

Almost surely, 261885468 is an apocalyptic number.

It is an amenable number.

61885468 is a deficient number, since it is larger than the sum of its proper divisors (46414108).

61885468 is a wasteful number, since it uses less digits than its factorization.

61885468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15471371 (or 15471369 counting only the distinct ones).

The product of its digits is 368640, while the sum is 46.

The square root of 61885468 is about 7866.7317228948. The cubic root of 61885468 is about 395.5452982490.

The spelling of 61885468 in words is "sixty-one million, eight hundred eighty-five thousand, four hundred sixty-eight".

Divisors: 1 2 4 15471367 30942734 61885468