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206150070 = 23571994933
BaseRepresentation
bin11000100100110…
…01100110110110
3112100220111201210
430102121212312
5410233300240
632242302250
75052150420
oct1422314666
9470814653
10206150070
11a6403665
1259057986
133392b6b9
141d543810
1513171780
hexc4999b6

206150070 has 64 divisors (see below), whose sum is σ = 568396800. Its totient is φ = 46873728.

The previous prime is 206150053. The next prime is 206150099. The reversal of 206150070 is 70051602.

206150070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2061500702 = 84995702722009800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39324 + ... + 44256.

It is an arithmetic number, because the mean of its divisors is an integer number (8881200).

Almost surely, 2206150070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206150070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (284198400).

206150070 is an abundant number, since it is smaller than the sum of its proper divisors (362246730).

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

206150070 is a wasteful number, since it uses less digits than its factorization.

206150070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5149.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 206150070 is about 14357.9270787952. The cubic root of 206150070 is about 590.7374385190.

The spelling of 206150070 in words is "two hundred six million, one hundred fifty thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 199 210 398 597 995 1194 1393 1990 2786 2985 4179 4933 5970 6965 8358 9866 13930 14799 20895 24665 29598 34531 41790 49330 69062 73995 103593 147990 172655 207186 345310 517965 981667 1035930 1963334 2945001 4908335 5890002 6871669 9816670 13743338 14725005 20615007 29450010 34358345 41230014 68716690 103075035 206150070