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201939474 = 23116745667
BaseRepresentation
bin11000000100101…
…01101000010010
3112001222120212210
430002111220102
5403144030344
632012132550
75001312552
oct1402255022
9461876783
10201939474
11a3a98130
1257767156
1332ab6019
141cb69162
1512adddb9
hexc095a12

201939474 has 32 divisors (see below), whose sum is σ = 447181056. Its totient is φ = 60279120.

The previous prime is 201939433. The next prime is 201939527. The reversal of 201939474 is 474939102.

It is a super-3 number, since 3×2019394743 (a number of 26 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18412 + ... + 27255.

It is an arithmetic number, because the mean of its divisors is an integer number (13974408).

Almost surely, 2201939474 is an apocalyptic number.

201939474 is an abundant number, since it is smaller than the sum of its proper divisors (245241582).

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

201939474 is a wasteful number, since it uses less digits than its factorization.

201939474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45750.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 201939474 is about 14210.5409467761. The cubic root of 201939474 is about 586.6878219960.

The spelling of 201939474 in words is "two hundred one million, nine hundred thirty-nine thousand, four hundred seventy-four".

Divisors: 1 2 3 6 11 22 33 66 67 134 201 402 737 1474 2211 4422 45667 91334 137001 274002 502337 1004674 1507011 3014022 3059689 6119378 9179067 18358134 33656579 67313158 100969737 201939474