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210052901 = 1773193877
BaseRepresentation
bin11001000010100…
…10011100100101
3112122020210102002
430201102130211
5412233143101
632502055045
75130264062
oct1441223445
9478223362
10210052901
11a8629943
125a41a485
1334696c76
141dc7bc69
1513692d6b
hexc852725

210052901 has 16 divisors (see below), whose sum is σ = 226882224. Its totient is φ = 193757184.

The previous prime is 210052897. The next prime is 210052907. The reversal of 210052901 is 109250012.

It can be written as a sum of positive squares in 8 ways, for example, as 11383876 + 198669025 = 3374^2 + 14095^2 .

It is not a de Polignac number, because 210052901 - 22 = 210052897 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210052907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239075 + ... + 239951.

It is an arithmetic number, because the mean of its divisors is an integer number (14180139).

Almost surely, 2210052901 is an apocalyptic number.

It is an amenable number.

210052901 is a deficient number, since it is larger than the sum of its proper divisors (16829323).

210052901 is a wasteful number, since it uses less digits than its factorization.

210052901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 180, while the sum is 20.

The square root of 210052901 is about 14493.2018891617. The cubic root of 210052901 is about 594.4421021042.

The spelling of 210052901 in words is "two hundred ten million, fifty-two thousand, nine hundred one".

Divisors: 1 17 73 193 877 1241 3281 14089 14909 64021 169261 239513 1088357 2877437 12356053 210052901