Search a number
-
+
61008216 = 2332542009
BaseRepresentation
bin1110100010111…
…0100101011000
311020210112112120
43220232211120
5111104230331
610015341240
71340363343
oct350564530
9136715476
1061008216
113148a415
1218521820
13c840b49
14816145a
155551796
hex3a2e958

61008216 has 16 divisors (see below), whose sum is σ = 152520600. Its totient is φ = 20336064.

The previous prime is 61008203. The next prime is 61008229. The reversal of 61008216 is 61280016.

61008216 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (61008203) and next prime (61008229).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 2542009 = 61008216 / (6 + 1 + 0 + 0 + 8 + 2 + 1 + 6).

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1270981 + ... + 1271028.

Almost surely, 261008216 is an apocalyptic number.

It is an amenable number.

61008216 is an abundant number, since it is smaller than the sum of its proper divisors (91512384).

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

61008216 is a wasteful number, since it uses less digits than its factorization.

61008216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2542018 (or 2542014 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 61008216 is about 7810.7756336999. The cubic root of 61008216 is about 393.6673908834.

The spelling of 61008216 in words is "sixty-one million, eight thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 8 12 24 2542009 5084018 7626027 10168036 15252054 20336072 30504108 61008216