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311300093 = 13103232487
BaseRepresentation
bin10010100011100…
…000111111111101
3210200202200110002
4102203200333331
51114143100333
650520124045
710500002306
oct2243407775
9720680402
10311300093
1114a7a2405
1288306625
134c656350
142d4b57ad
151c4e20e8
hex128e0ffd

311300093 has 8 divisors (see below), whose sum is σ = 338502528. Its totient is φ = 284562864.

The previous prime is 311300089. The next prime is 311300131. The reversal of 311300093 is 390003113.

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

It is a cyclic number.

It is not a de Polignac number, because 311300093 - 22 = 311300089 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311300083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114905 + ... + 117582.

It is an arithmetic number, because the mean of its divisors is an integer number (42312816).

Almost surely, 2311300093 is an apocalyptic number.

It is an amenable number.

311300093 is a deficient number, since it is larger than the sum of its proper divisors (27202435).

311300093 is a wasteful number, since it uses less digits than its factorization.

311300093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232603.

The product of its (nonzero) digits is 243, while the sum is 20.

The square root of 311300093 is about 17643.6983934775. The cubic root of 311300093 is about 677.7347437984.

The spelling of 311300093 in words is "three hundred eleven million, three hundred thousand, ninety-three".

Divisors: 1 13 103 1339 232487 3022331 23946161 311300093