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302728542 = 23102149417
BaseRepresentation
bin10010000010110…
…100010101011110
3210002122012111020
4102002310111132
51104444303132
650012305010
710334102334
oct2202642536
9702565436
10302728542
11145978486
1285472166
134a944a1c
142c2c3b54
151b89c52c
hex120b455e

302728542 has 16 divisors (see below), whose sum is σ = 606062352. Its totient is φ = 100808640.

The previous prime is 302728541. The next prime is 302728549. The reversal of 302728542 is 245827203.

302728542 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302728541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18583 + ... + 30834.

It is an arithmetic number, because the mean of its divisors is an integer number (37878897).

Almost surely, 2302728542 is an apocalyptic number.

302728542 is an abundant number, since it is smaller than the sum of its proper divisors (303333810).

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

302728542 is a wasteful number, since it uses less digits than its factorization.

302728542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50443.

The product of its (nonzero) digits is 26880, while the sum is 33.

The square root of 302728542 is about 17399.0960110001. The cubic root of 302728542 is about 671.4563568359.

The spelling of 302728542 in words is "three hundred two million, seven hundred twenty-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 1021 2042 3063 6126 49417 98834 148251 296502 50454757 100909514 151364271 302728542