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201989298 = 2378357943
BaseRepresentation
bin11000000101000…
…01110010110010
3112002002010020010
430002201302302
5403202124143
632013155350
75001611040
oct1402416262
9462063203
10201989298
11a4021605
125778bb56
1332b028c4
141cb7d390
1512aeda33
hexc0a1cb2

201989298 has 32 divisors (see below), whose sum is σ = 467260416. Its totient is φ = 57014928.

The previous prime is 201989297. The next prime is 201989311. The reversal of 201989298 is 892989102.

It is not an unprimeable number, because it can be changed into a prime (201989297) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 25486 + ... + 32457.

It is an arithmetic number, because the mean of its divisors is an integer number (14601888).

Almost surely, 2201989298 is an apocalyptic number.

201989298 is an abundant number, since it is smaller than the sum of its proper divisors (265271118).

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

201989298 is a wasteful number, since it uses less digits than its factorization.

201989298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58038.

The product of its (nonzero) digits is 186624, while the sum is 48.

The square root of 201989298 is about 14212.2939035189. The cubic root of 201989298 is about 586.7360686806.

The spelling of 201989298 in words is "two hundred one million, nine hundred eighty-nine thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 7 14 21 42 83 166 249 498 581 1162 1743 3486 57943 115886 173829 347658 405601 811202 1216803 2433606 4809269 9618538 14427807 28855614 33664883 67329766 100994649 201989298