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202014145 = 5172981953
BaseRepresentation
bin11000000101001…
…11110111000001
3112002010101022101
430002213313001
5403203423040
632013510401
75002043344
oct1402476701
9462111271
10202014145
11a4039243
12577a2401
1332b10cc8
141cb8845b
1512b0609a
hexc0a7dc1

202014145 has 16 divisors (see below), whose sum is σ = 265530960. Its totient is φ = 146857984.

The previous prime is 202014133. The next prime is 202014149. The reversal of 202014145 is 541410202.

It can be written as a sum of positive squares in 8 ways, for example, as 345744 + 201668401 = 588^2 + 14201^2 .

It is a cyclic number.

It is not a de Polignac number, because 202014145 - 27 = 202014017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (202014149) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 38512 + ... + 43441.

It is an arithmetic number, because the mean of its divisors is an integer number (16595685).

Almost surely, 2202014145 is an apocalyptic number.

It is an amenable number.

202014145 is a deficient number, since it is larger than the sum of its proper divisors (63516815).

202014145 is a wasteful number, since it uses less digits than its factorization.

202014145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82004.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 202014145 is about 14213.1680142043. The cubic root of 202014145 is about 586.7601261158.

Adding to 202014145 its reverse (541410202), we get a palindrome (743424347).

The spelling of 202014145 in words is "two hundred two million, fourteen thousand, one hundred forty-five".

Divisors: 1 5 17 29 85 145 493 2465 81953 409765 1393201 2376637 6966005 11883185 40402829 202014145