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255214238 = 2239533921
BaseRepresentation
bin11110011011001…
…00001010011110
3122210020020010012
433031210022132
51010313323423
641154043222
76216166556
oct1715441236
9583206105
10255214238
11121075264
1271579512
1340b49b56
1425c76166
1517614078
hexf36429e

255214238 has 8 divisors (see below), whose sum is σ = 384423840. Its totient is φ = 127072960.

The previous prime is 255214237. The next prime is 255214241. The reversal of 255214238 is 832412552.

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 (255214231) 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, 266483 + ... + 267438.

It is an arithmetic number, because the mean of its divisors is an integer number (48052980).

Almost surely, 2255214238 is an apocalyptic number.

255214238 is a deficient number, since it is larger than the sum of its proper divisors (129209602).

255214238 is a wasteful number, since it uses less digits than its factorization.

255214238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 534162.

The product of its digits is 19200, while the sum is 32.

The square root of 255214238 is about 15975.4260663057. The cubic root of 255214238 is about 634.3101094472.

The spelling of 255214238 in words is "two hundred fifty-five million, two hundred fourteen thousand, two hundred thirty-eight".

Divisors: 1 2 239 478 533921 1067842 127607119 255214238