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312024030 = 23510400801
BaseRepresentation
bin10010100110010…
…001101111011110
3210202010110111120
4102212101233132
51114334232110
650543431410
710506106023
oct2246215736
9722113446
10312024030
111501472aa
12885b5566
134c84aa06
142d62354a
151c5d6870
hex12991bde

312024030 has 16 divisors (see below), whose sum is σ = 748857744. Its totient is φ = 83206400.

The previous prime is 312024017. The next prime is 312024043. The reversal of 312024030 is 30420213.

It is an interprime number because it is at equal distance from previous prime (312024017) and next prime (312024043).

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 5200371 + ... + 5200430.

It is an arithmetic number, because the mean of its divisors is an integer number (46803609).

Almost surely, 2312024030 is an apocalyptic number.

312024030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

312024030 is an abundant number, since it is smaller than the sum of its proper divisors (436833714).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312024030 is a wasteful number, since it uses less digits than its factorization.

312024030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10400811.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 312024030 is about 17664.2019349870. The cubic root of 312024030 is about 678.2597007223.

Adding to 312024030 its reverse (30420213), we get a palindrome (342444243).

The spelling of 312024030 in words is "three hundred twelve million, twenty-four thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 10400801 20801602 31202403 52004005 62404806 104008010 156012015 312024030