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61386696 = 23327313929
BaseRepresentation
bin1110101000101…
…0111111001000
311021111202201100
43222022333020
5111203333241
610031421400
71343530650
oct352127710
9137452640
1061386696
1131718808
1218684860
13c9441b7
14821d360
1555c89b6
hex3a8afc8

61386696 has 96 divisors (see below), whose sum is σ = 196185600. Its totient is φ = 16968960.

The previous prime is 61386691. The next prime is 61386719. The reversal of 61386696 is 69668316.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (61386691) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13660 + ... + 17588.

It is an arithmetic number, because the mean of its divisors is an integer number (2043600).

Almost surely, 261386696 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 61386696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98092800).

61386696 is an abundant number, since it is smaller than the sum of its proper divisors (134798904).

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

61386696 is a wasteful number, since it uses less digits than its factorization.

61386696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3972 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The square root of 61386696 is about 7834.9662411525. The cubic root of 61386696 is about 394.4797851883.

The spelling of 61386696 in words is "sixty-one million, three hundred eighty-six thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 56 62 63 72 84 93 124 126 168 186 217 248 252 279 372 434 504 558 651 744 868 1116 1302 1736 1953 2232 2604 3906 3929 5208 7812 7858 11787 15624 15716 23574 27503 31432 35361 47148 55006 70722 82509 94296 110012 121799 141444 165018 220024 243598 247527 282888 330036 365397 487196 495054 660072 730794 852593 974392 990108 1096191 1461588 1705186 1980216 2192382 2557779 2923176 3410372 4384764 5115558 6820744 7673337 8769528 10231116 15346674 20462232 30693348 61386696