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61296741 = 3211619159
BaseRepresentation
bin1110100111010…
…1000001100101
311021100012022200
43221311001211
5111142443431
610025445113
71343004462
oct351650145
9137305280
1061296741
1131667170
1218640799
13c91227c
1481d8669
1555abee6
hex3a75065

61296741 has 12 divisors (see below), whose sum is σ = 96588960. Its totient is φ = 37149480.

The previous prime is 61296733. The next prime is 61296743. The reversal of 61296741 is 14769216.

61296741 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 61296741 - 23 = 61296733 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 61296696 and 61296705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61296743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 309481 + ... + 309678.

It is an arithmetic number, because the mean of its divisors is an integer number (8049080).

Almost surely, 261296741 is an apocalyptic number.

It is an amenable number.

61296741 is a deficient number, since it is larger than the sum of its proper divisors (35292219).

61296741 is a wasteful number, since it uses less digits than its factorization.

61296741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619176 (or 619173 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 61296741 is about 7829.2235247181. The cubic root of 61296741 is about 394.2870030451.

The spelling of 61296741 in words is "sixty-one million, two hundred ninety-six thousand, seven hundred forty-one".

Divisors: 1 3 9 11 33 99 619159 1857477 5572431 6810749 20432247 61296741