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310013140 = 22559262723
BaseRepresentation
bin10010011110100…
…110110011010100
3210121100022002011
4102132212303110
51113330410030
650432354004
710453032253
oct2236466324
9717308064
10310013140
11149aa3508
12879a5904
134c2c5638
142d25c79a
151c33ab2a
hex127a6cd4

310013140 has 24 divisors (see below), whose sum is σ = 662064480. Its totient is φ = 121903008.

The previous prime is 310013129. The next prime is 310013141. The reversal of 310013140 is 41310013.

It is a super-2 number, since 2×3100131402 = 192216293945319200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 310013140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310013141) 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, 130182 + ... + 132541.

It is an arithmetic number, because the mean of its divisors is an integer number (27586020).

Almost surely, 2310013140 is an apocalyptic number.

It is an amenable number.

310013140 is an abundant number, since it is smaller than the sum of its proper divisors (352051340).

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

310013140 is a wasteful number, since it uses less digits than its factorization.

310013140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262791 (or 262789 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 310013140 is about 17607.1900086300. The cubic root of 310013140 is about 676.7995074626.

Adding to 310013140 its reverse (41310013), we get a palindrome (351323153).

The spelling of 310013140 in words is "three hundred ten million, thirteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 59 118 236 295 590 1180 262723 525446 1050892 1313615 2627230 5254460 15500657 31001314 62002628 77503285 155006570 310013140