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200426239 = 1379195157
BaseRepresentation
bin10111111001001…
…00001011111111
3111222010201010001
423330210023333
5402302114424
631515455131
74652411026
oct1374441377
9458121101
10200426239
11a3154222
12571574a7
13326a6310
141c8938bd
15128e0844
hexbf242ff

200426239 has 8 divisors (see below), whose sum is σ = 218576960. Its totient is φ = 182666016.

The previous prime is 200426227. The next prime is 200426249. The reversal of 200426239 is 932624002.

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

It is not a de Polignac number, because 200426239 - 27 = 200426111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200426249) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96552 + ... + 98605.

It is an arithmetic number, because the mean of its divisors is an integer number (27322120).

Almost surely, 2200426239 is an apocalyptic number.

200426239 is a deficient number, since it is larger than the sum of its proper divisors (18150721).

200426239 is a wasteful number, since it uses less digits than its factorization.

200426239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195249.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 200426239 is about 14157.1974274572. The cubic root of 200426239 is about 585.2186963267.

The spelling of 200426239 in words is "two hundred million, four hundred twenty-six thousand, two hundred thirty-nine".

Divisors: 1 13 79 1027 195157 2537041 15417403 200426239