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301311312 = 2436277319
BaseRepresentation
bin10001111101011…
…010010101010000
3202222222012102020
4101331122111100
51104113430222
645522051440
710316050431
oct2175322520
9688865366
10301311312
1114509a715
1284aa9b80
134a569923
142c035488
151b6bc65c
hex11f5a550

301311312 has 20 divisors (see below), whose sum is σ = 778387680. Its totient is φ = 100437088.

The previous prime is 301311299. The next prime is 301311317. The reversal of 301311312 is 213113103.

It is a super-2 number, since 2×3013113122 = 181577013478322688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 301311291 and 301311300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (301311317) 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, 3138612 + ... + 3138707.

It is an arithmetic number, because the mean of its divisors is an integer number (38919384).

Almost surely, 2301311312 is an apocalyptic number.

It is an amenable number.

301311312 is an abundant number, since it is smaller than the sum of its proper divisors (477076368).

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

301311312 is a wasteful number, since it uses less digits than its factorization.

301311312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6277330 (or 6277324 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 301311312 is about 17358.3211169744. The cubic root of 301311312 is about 670.4069051261.

Adding to 301311312 its reverse (213113103), we get a palindrome (514424415).

The spelling of 301311312 in words is "three hundred one million, three hundred eleven thousand, three hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 48 6277319 12554638 18831957 25109276 37663914 50218552 75327828 100437104 150655656 301311312