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313004140 = 22534944843
BaseRepresentation
bin10010101010000…
…001000001101100
3210210222020221221
4102222001001230
51120112113030
651020433124
710520330341
oct2252010154
9723866857
10313004140
11150756709
12889a87a4
134cb01b67
142d7da7c8
151c72be7a
hex12a8106c

313004140 has 24 divisors (see below), whose sum is σ = 659206800. Its totient is φ = 124840128.

The previous prime is 313004129. The next prime is 313004147. The reversal of 313004140 is 41400313.

It is not an unprimeable number, because it can be changed into a prime (313004147) 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, 15442 + ... + 29401.

It is an arithmetic number, because the mean of its divisors is an integer number (27466950).

Almost surely, 2313004140 is an apocalyptic number.

It is an amenable number.

313004140 is an abundant number, since it is smaller than the sum of its proper divisors (346202660).

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

313004140 is a wasteful number, since it uses less digits than its factorization.

313004140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45201 (or 45199 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 313004140 is about 17691.9230158850. The cubic root of 313004140 is about 678.9691271554.

Adding to 313004140 its reverse (41400313), we get a palindrome (354404453).

The spelling of 313004140 in words is "three hundred thirteen million, four thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 349 698 1396 1745 3490 6980 44843 89686 179372 224215 448430 896860 15650207 31300414 62600828 78251035 156502070 313004140