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312245134 = 2971609511
BaseRepresentation
bin10010100111000…
…111101110001110
3210202112200210121
4102213013232032
51114413321014
650552255154
710511016445
oct2247075616
9722480717
10312245134
11150288433
12886a14ba
134c8c7546
142d67dd5c
151c62c124
hex129c7b8e

312245134 has 8 divisors (see below), whose sum is σ = 473196528. Its totient is φ = 154512960.

The previous prime is 312245123. The next prime is 312245159. The reversal of 312245134 is 431542213.

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

It is a junction number, because it is equal to n+sod(n) for n = 312245099 and 312245108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804562 + ... + 804949.

It is an arithmetic number, because the mean of its divisors is an integer number (59149566).

Almost surely, 2312245134 is an apocalyptic number.

312245134 is a deficient number, since it is larger than the sum of its proper divisors (160951394).

312245134 is a wasteful number, since it uses less digits than its factorization.

312245134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609610.

The product of its digits is 2880, while the sum is 25.

The square root of 312245134 is about 17670.4593601864. The cubic root of 312245134 is about 678.4198705701.

Adding to 312245134 its reverse (431542213), we get a palindrome (743787347).

The spelling of 312245134 in words is "three hundred twelve million, two hundred forty-five thousand, one hundred thirty-four".

Divisors: 1 2 97 194 1609511 3219022 156122567 312245134