Search a number
-
+
61301695 = 57213191013
BaseRepresentation
bin1110100111011…
…0001110111111
311021100110010011
43221312032333
5111143123240
610025524051
71343025100
oct351661677
9137313104
1061301695
113166a964
1218643627
13c9145c0
1481da3a7
1555ad6ea
hex3a763bf

61301695 has 48 divisors (see below), whose sum is σ = 97100640. Its totient is φ = 36723456.

The previous prime is 61301671. The next prime is 61301699. The reversal of 61301695 is 59610316.

It is not a de Polignac number, because 61301695 - 217 = 61170623 is a prime.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61301699) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 60009 + ... + 61021.

It is an arithmetic number, because the mean of its divisors is an integer number (2022930).

Almost surely, 261301695 is an apocalyptic number.

61301695 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

61301695 is a deficient number, since it is larger than the sum of its proper divisors (35798945).

61301695 is a wasteful number, since it uses less digits than its factorization.

61301695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1064 (or 1057 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 61301695 is about 7829.5398970821. The cubic root of 61301695 is about 394.2976248452.

The spelling of 61301695 in words is "sixty-one million, three hundred one thousand, six hundred ninety-five".

Divisors: 1 5 7 13 19 35 49 65 91 95 133 245 247 455 637 665 931 1013 1235 1729 3185 4655 5065 7091 8645 12103 13169 19247 35455 49637 60515 65845 92183 96235 134729 248185 250211 460915 645281 673645 943103 1251055 1751477 3226405 4715515 8757385 12260339 61301695