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268270407 = 3347211403
BaseRepresentation
bin11111111110101…
…11101101000111
3200200210112211000
433333113231013
51022134123112
642341544343
76435155316
oct1777275507
9620715730
10268270407
11128482589
1275a150b3
134376b7b2
14278b427d
15188427dc
hexffd7b47

268270407 has 16 divisors (see below), whose sum is σ = 405895680. Its totient is φ = 175040856.

The previous prime is 268270403. The next prime is 268270433. The reversal of 268270407 is 704072862.

It is not a de Polignac number, because 268270407 - 22 = 268270403 is a prime.

It is a super-2 number, since 2×2682704072 = 143938022543891298, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268270403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 104433 + ... + 106970.

It is an arithmetic number, because the mean of its divisors is an integer number (25368480).

Almost surely, 2268270407 is an apocalyptic number.

268270407 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

268270407 is a deficient number, since it is larger than the sum of its proper divisors (137625273).

268270407 is a wasteful number, since it uses less digits than its factorization.

268270407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211459 (or 211453 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 268270407 is about 16378.9623297692. The cubic root of 268270407 is about 644.9473402114.

The spelling of 268270407 in words is "two hundred sixty-eight million, two hundred seventy thousand, four hundred seven".

Divisors: 1 3 9 27 47 141 423 1269 211403 634209 1902627 5707881 9935941 29807823 89423469 268270407