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311514112 = 2107133343
BaseRepresentation
bin10010100100010…
…101010000000000
3210201011120000201
4102210111100000
51114221422422
650524454544
710501553260
oct2244252000
9721146021
10311514112
1114a929188
12883aa454
134c6cc8a0
142d52d7a0
151c535727
hex12915400

311514112 has 88 divisors (see below), whose sum is σ = 766658816. Its totient is φ = 123199488.

The previous prime is 311514107. The next prime is 311514113. The reversal of 311514112 is 211415113.

It is a self number, because there is not a number n which added to its sum of digits gives 311514112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311514113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91513 + ... + 94855.

It is an arithmetic number, because the mean of its divisors is an integer number (8712032).

Almost surely, 2311514112 is an apocalyptic number.

311514112 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 311514112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383329408).

311514112 is an abundant number, since it is smaller than the sum of its proper divisors (455144704).

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

311514112 is a wasteful number, since it uses less digits than its factorization.

311514112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383 (or 3365 counting only the distinct ones).

The product of its digits is 120, while the sum is 19.

The square root of 311514112 is about 17649.7623780038. The cubic root of 311514112 is about 677.8900225662.

Adding to 311514112 its reverse (211415113), we get a palindrome (522929225).

The spelling of 311514112 in words is "three hundred eleven million, five hundred fourteen thousand, one hundred twelve".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 64 91 104 112 128 182 208 224 256 364 416 448 512 728 832 896 1024 1456 1664 1792 2912 3328 3343 3584 5824 6656 6686 7168 11648 13312 13372 23296 23401 26744 43459 46592 46802 53488 86918 93184 93604 106976 173836 187208 213952 304213 347672 374416 427904 608426 695344 748832 855808 1216852 1390688 1497664 1711616 2433704 2781376 2995328 3423232 4867408 5562752 5990656 9734816 11125504 11981312 19469632 22251008 23962624 38939264 44502016 77878528 155757056 311514112