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201474939 = 31725115739
BaseRepresentation
bin11000000001001…
…00001101111011
3112001002222122210
430000210031323
5403034144224
631554150203
74664336331
oct1400441573
9461088583
10201474939
11a3800116
1257582363
1332982753
141ca87b51
1512a4b429
hexc02437b

201474939 has 16 divisors (see below), whose sum is σ = 285586560. Its totient is φ = 125904000.

The previous prime is 201474929. The next prime is 201474961. The reversal of 201474939 is 939474102.

It is not a de Polignac number, because 201474939 - 27 = 201474811 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201474897 and 201474906.

It is not an unprimeable number, because it can be changed into a prime (201474929) 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, 4932 + ... + 20670.

It is an arithmetic number, because the mean of its divisors is an integer number (17849160).

Almost surely, 2201474939 is an apocalyptic number.

201474939 is a deficient number, since it is larger than the sum of its proper divisors (84111621).

201474939 is a wasteful number, since it uses less digits than its factorization.

201474939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16010.

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

The square root of 201474939 is about 14194.1868030543. The cubic root of 201474939 is about 586.2376107389.

The spelling of 201474939 in words is "two hundred one million, four hundred seventy-four thousand, nine hundred thirty-nine".

Divisors: 1 3 17 51 251 753 4267 12801 15739 47217 267563 802689 3950489 11851467 67158313 201474939