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201961082 = 2100980541
BaseRepresentation
bin11000000100110…
…10111001111010
3112002000200112002
430002122321322
5403200223312
632012421002
75001432551
oct1402327172
9462020462
10201961082
11a4002394
1257777762
1332ac2acb
141cb72d98
1512ae54c2
hexc09ae7a

201961082 has 4 divisors (see below), whose sum is σ = 302941626. Its totient is φ = 100980540.

The previous prime is 201961073. The next prime is 201961087. The reversal of 201961082 is 280169102.

201961082 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 201668401 + 292681 = 14201^2 + 541^2 .

It is a super-2 number, since 2×2019610822 = 81576557285221448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (201961087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50490269 + ... + 50490272.

Almost surely, 2201961082 is an apocalyptic number.

201961082 is a deficient number, since it is larger than the sum of its proper divisors (100980544).

201961082 is a wasteful number, since it uses less digits than its factorization.

201961082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100980543.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 201961082 is about 14211.3012071379. The cubic root of 201961082 is about 586.7087469099.

The spelling of 201961082 in words is "two hundred one million, nine hundred sixty-one thousand, eighty-two".

Divisors: 1 2 100980541 201961082