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156069216 = 2532836529
BaseRepresentation
bin10010100110101…
…10110101100000
3101212200010201100
421103112311200
5304423203331
623253034400
73603365202
oct1123266540
9355603640
10156069216
1180108126
1244325a00
1326445564
1416a28772
15da7cae6
hex94d6d60

156069216 has 72 divisors (see below), whose sum is σ = 449237880. Its totient is φ = 51388416.

The previous prime is 156069209. The next prime is 156069233. The reversal of 156069216 is 612960651.

156069216 is a `hidden beast` number, since 1 + 560 + 6 + 92 + 1 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 20640 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (6239415).

Almost surely, 2156069216 is an apocalyptic number.

156069216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 156069216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (224618940).

156069216 is an abundant number, since it is smaller than the sum of its proper divisors (293168664).

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

156069216 is a wasteful number, since it uses less digits than its factorization.

156069216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6628 (or 6617 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 36.

The square root of 156069216 is about 12492.7665470864. The cubic root of 156069216 is about 538.4008657708.

The spelling of 156069216 in words is "one hundred fifty-six million, sixty-nine thousand, two hundred sixteen".