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61242612 = 2237171881
BaseRepresentation
bin1110100110011…
…1110011110100
311021020110001220
43221213303310
5111134230422
610024350340
71342360614
oct351476364
9137213056
1061242612
113162a532
12186153b0
13c8c3742
1481c2a44
15559ae5c
hex3a67cf4

61242612 has 24 divisors (see below), whose sum is σ = 144914112. Its totient is φ = 20126400.

The previous prime is 61242611. The next prime is 61242637. The reversal of 61242612 is 21624216.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61242611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35089 + ... + 36792.

It is an arithmetic number, because the mean of its divisors is an integer number (6038088).

Almost surely, 261242612 is an apocalyptic number.

It is an amenable number.

61242612 is an abundant number, since it is smaller than the sum of its proper divisors (83671500).

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

61242612 is a wasteful number, since it uses less digits than its factorization.

61242612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71959 (or 71957 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 61242612 is about 7825.7659050089. The cubic root of 61242612 is about 394.1709085288.

Adding to 61242612 its reverse (21624216), we get a palindrome (82866828).

The spelling of 61242612 in words is "sixty-one million, two hundred forty-two thousand, six hundred twelve".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 71881 143762 215643 287524 431286 862572 5103551 10207102 15310653 20414204 30621306 61242612