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203894542 = 2206349417
BaseRepresentation
bin11000010011100…
…10111100001110
3112012122220201201
430021302330032
5404144111132
632122100114
75024034505
oct1411627416
9465586651
10203894542
11a5102a95
125834a63a
133331bb77
141d11783c
1512d782e7
hexc272f0e

203894542 has 8 divisors (see below), whose sum is σ = 305996256. Its totient is φ = 101895792.

The previous prime is 203894539. The next prime is 203894543. The reversal of 203894542 is 245498302.

It is a happy number.

203894542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203894543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20583 + ... + 28834.

It is an arithmetic number, because the mean of its divisors is an integer number (38249532).

Almost surely, 2203894542 is an apocalyptic number.

203894542 is a deficient number, since it is larger than the sum of its proper divisors (102101714).

203894542 is a wasteful number, since it uses less digits than its factorization.

203894542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51482.

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 203894542 is about 14279.1646114190. The cubic root of 203894542 is about 588.5750752336.

It can be divided in two parts, 2038 and 94542, that added together give a triangular number (96580 = T439).

The spelling of 203894542 in words is "two hundred three million, eight hundred ninety-four thousand, five hundred forty-two".

Divisors: 1 2 2063 4126 49417 98834 101947271 203894542