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313140455 = 5312020261
BaseRepresentation
bin10010101010100…
…010010011100111
3210211020011221122
4102222202103213
51120130443310
651023404155
710521435635
oct2252422347
9724204848
10313140455
1115083a071
1288a5365b
134cb4bc14
142d834355
151c757555
hex12aa24e7

313140455 has 8 divisors (see below), whose sum is σ = 387890304. Its totient is φ = 242431200.

The previous prime is 313140449. The next prime is 313140473. The reversal of 313140455 is 554041313.

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

It is not a de Polignac number, because 313140455 - 218 = 312878311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1009976 + ... + 1010285.

It is an arithmetic number, because the mean of its divisors is an integer number (48486288).

Almost surely, 2313140455 is an apocalyptic number.

313140455 is a deficient number, since it is larger than the sum of its proper divisors (74749849).

313140455 is a wasteful number, since it uses less digits than its factorization.

313140455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2020297.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 313140455 is about 17695.7750607313. The cubic root of 313140455 is about 679.0676777623.

Adding to 313140455 its reverse (554041313), we get a palindrome (867181768).

The spelling of 313140455 in words is "three hundred thirteen million, one hundred forty thousand, four hundred fifty-five".

Divisors: 1 5 31 155 2020261 10101305 62628091 313140455