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301240140 = 22355020669
BaseRepresentation
bin10001111101001…
…000111101001100
3202222211120210020
4101331020331030
51104104141030
645520342140
710315333065
oct2175107514
9688746706
10301240140
111450511a3
1284a74950
134a543406
142c01756c
151b6a6510
hex11f48f4c

301240140 has 24 divisors (see below), whose sum is σ = 843472560. Its totient is φ = 80330688.

The previous prime is 301240109. The next prime is 301240157. The reversal of 301240140 is 41042103.

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

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, 2510275 + ... + 2510394.

It is an arithmetic number, because the mean of its divisors is an integer number (35144690).

Almost surely, 2301240140 is an apocalyptic number.

301240140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

301240140 is an abundant number, since it is smaller than the sum of its proper divisors (542232420).

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

301240140 is a wasteful number, since it uses less digits than its factorization.

301240140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5020681 (or 5020679 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 301240140 is about 17356.2709128430. The cubic root of 301240140 is about 670.3541159170.

Adding to 301240140 its reverse (41042103), we get a palindrome (342282243).

The spelling of 301240140 in words is "three hundred one million, two hundred forty thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 5020669 10041338 15062007 20082676 25103345 30124014 50206690 60248028 75310035 100413380 150620070 301240140