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312000344 = 23125930977
BaseRepresentation
bin10010100110001…
…011111101011000
3210202002021000022
4102212023331120
51114333002334
650543130012
710505646665
oct2246137530
9722067008
10312000344
11150130527
12885a3908
134c83ccb6
142d618a6c
151c5ce82e
hex1298bf58

312000344 has 16 divisors (see below), whose sum is σ = 585484200. Its totient is φ = 155871232.

The previous prime is 312000343. The next prime is 312000383. The reversal of 312000344 is 443000213.

It is a super-2 number, since 2×3120003442 = 194688429312236672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312000343) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5417 + ... + 25560.

Almost surely, 2312000344 is an apocalyptic number.

It is an amenable number.

312000344 is a deficient number, since it is larger than the sum of its proper divisors (273483856).

312000344 is a wasteful number, since it uses less digits than its factorization.

312000344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32242 (or 32238 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 312000344 is about 17663.5314702355. The cubic root of 312000344 is about 678.2425378713.

Adding to 312000344 its reverse (443000213), we get a palindrome (755000557).

The spelling of 312000344 in words is "three hundred twelve million, three hundred forty-four", and thus it is an aban number.

Divisors: 1 2 4 8 1259 2518 5036 10072 30977 61954 123908 247816 39000043 78000086 156000172 312000344