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61397134 = 23747127139
BaseRepresentation
bin1110101000110…
…1100010001110
311021112022000221
43222031202032
5111204202014
610031541554
71343603251
oct352154216
9137468027
1061397134
1131725637
121868a8ba
13c948b86
148223098
1555cbb24
hex3a8d88e

61397134 has 32 divisors (see below), whose sum is σ = 98058240. Its totient is φ = 28794528.

The previous prime is 61397129. The next prime is 61397137. The reversal of 61397134 is 43179316.

61397134 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 61397134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61397137) 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 15 ways as a sum of consecutive naturals, for example, 441637 + ... + 441775.

It is an arithmetic number, because the mean of its divisors is an integer number (3064320).

Almost surely, 261397134 is an apocalyptic number.

61397134 is a deficient number, since it is larger than the sum of its proper divisors (36661106).

61397134 is a wasteful number, since it uses less digits than its factorization.

61397134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352.

The product of its digits is 13608, while the sum is 34.

The square root of 61397134 is about 7835.6323293018. The cubic root of 61397134 is about 394.5021426202.

The spelling of 61397134 in words is "sixty-one million, three hundred ninety-seven thousand, one hundred thirty-four".

Divisors: 1 2 37 47 74 94 127 139 254 278 1739 3478 4699 5143 5969 6533 9398 10286 11938 13066 17653 35306 220853 241721 441706 483442 653161 829691 1306322 1659382 30698567 61397134