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201990414 = 2385939191
BaseRepresentation
bin11000000101000…
…10000100001110
3112002002011202110
430002202010032
5403202143124
632013204450
75001614223
oct1402420416
9462064673
10201990414
11a402242a
1257790726
1332b03272
141cb7d94a
1512aee029
hexc0a210e

201990414 has 16 divisors (see below), whose sum is σ = 404461440. Its totient is φ = 67250040.

The previous prime is 201990361. The next prime is 201990421. The reversal of 201990414 is 414099102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14442 + ... + 24749.

It is an arithmetic number, because the mean of its divisors is an integer number (25278840).

Almost surely, 2201990414 is an apocalyptic number.

201990414 is an abundant number, since it is smaller than the sum of its proper divisors (202471026).

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

201990414 is a wasteful number, since it uses less digits than its factorization.

201990414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40055.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 201990414 is about 14212.3331652477. Note that the first 3 decimals coincide. The cubic root of 201990414 is about 586.7371492597.

The spelling of 201990414 in words is "two hundred one million, nine hundred ninety thousand, four hundred fourteen".

Divisors: 1 2 3 6 859 1718 2577 5154 39191 78382 117573 235146 33665069 67330138 100995207 201990414