Search a number
-
+
61357206 = 2371144031
BaseRepresentation
bin1110101000001…
…1110010010110
311021110021021010
43222003302112
5111201412311
610031033050
71343345661
oct352036226
9137407233
1061357206
11316a8639
121866b786
13c933951
1482126d8
1555beda6
hex3a83c96

61357206 has 16 divisors (see below), whose sum is σ = 124443648. Its totient is φ = 20164200.

The previous prime is 61357181. The next prime is 61357207. The reversal of 61357206 is 60275316.

61357206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61357207) 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 7 ways as a sum of consecutive naturals, for example, 71590 + ... + 72441.

It is an arithmetic number, because the mean of its divisors is an integer number (7777728).

Almost surely, 261357206 is an apocalyptic number.

61357206 is an abundant number, since it is smaller than the sum of its proper divisors (63086442).

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

61357206 is a wasteful number, since it uses less digits than its factorization.

61357206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144107.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 61357206 is about 7833.0840669560. The cubic root of 61357206 is about 394.4166060687.

The spelling of 61357206 in words is "sixty-one million, three hundred fifty-seven thousand, two hundred six".

Divisors: 1 2 3 6 71 142 213 426 144031 288062 432093 864186 10226201 20452402 30678603 61357206