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268464431 is a prime number
BaseRepresentation
bin10000000000000…
…111000100101111
3200201011101222002
4100000013010233
51022211330211
642350042515
76436624064
oct2000070457
9621141862
10268464431
111285a5334
1275aa943b
1343808bc1
1427924c6b
151888003b
hex1000712f

268464431 has 2 divisors, whose sum is σ = 268464432. Its totient is φ = 268464430.

The previous prime is 268464409. The next prime is 268464463. The reversal of 268464431 is 134464862.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 268464431 - 26 = 268464367 is a prime.

It is a super-2 number, since 2×2684644312 = 144146301424307522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (268464401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134232215 + 134232216.

It is an arithmetic number, because the mean of its divisors is an integer number (134232216).

Almost surely, 2268464431 is an apocalyptic number.

268464431 is a deficient number, since it is larger than the sum of its proper divisors (1).

268464431 is an equidigital number, since it uses as much as digits as its factorization.

268464431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 110592, while the sum is 38.

The square root of 268464431 is about 16384.8842229660. The cubic root of 268464431 is about 645.1027867359.

The spelling of 268464431 in words is "two hundred sixty-eight million, four hundred sixty-four thousand, four hundred thirty-one".