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201930964 = 22172969573
BaseRepresentation
bin11000000100100…
…11100011010100
3112001222011012121
430002103203110
5403143242324
632012025324
75001246004
oct1402234324
9461864177
10201930964
11a3a917a4
1257762244
1332ab21a1
141cb66004
1512adb5e4
hexc0938d4

201930964 has 12 divisors (see below), whose sum is σ = 374166324. Its totient is φ = 95026304.

The previous prime is 201930929. The next prime is 201930977. The reversal of 201930964 is 469039102.

It can be written as a sum of positive squares in 2 ways, for example, as 138250564 + 63680400 = 11758^2 + 7980^2 .

It is a super-2 number, since 2×2019309642 = 81552228443938592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1484719 + ... + 1484854.

It is an arithmetic number, because the mean of its divisors is an integer number (31180527).

Almost surely, 2201930964 is an apocalyptic number.

It is an amenable number.

201930964 is a deficient number, since it is larger than the sum of its proper divisors (172235360).

201930964 is a wasteful number, since it uses less digits than its factorization.

201930964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2969594 (or 2969592 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 201930964 is about 14210.2415180038. The cubic root of 201930964 is about 586.6795806099.

The spelling of 201930964 in words is "two hundred one million, nine hundred thirty thousand, nine hundred sixty-four".

Divisors: 1 2 4 17 34 68 2969573 5939146 11878292 50482741 100965482 201930964