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4015340220 = 223597689921
BaseRepresentation
bin1110111101010101…
…0011101010111100
3101100211120102021110
43233111103222330
531210411341340
61502234402020
7201334554153
oct35725235274
911324512243
104015340220
1117806115a1
12940890310
134bcb62b78
142a13c859a
151877a5680
hexef553abc

4015340220 has 48 divisors (see below), whose sum is σ = 11358875808. Its totient is φ = 1059717120.

The previous prime is 4015340213. The next prime is 4015340221. The reversal of 4015340220 is 220435104.

It is a super-2 number, since 2×40153402202 = 32245914164699296800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4015340221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 339141 + ... + 350780.

It is an arithmetic number, because the mean of its divisors is an integer number (236643246).

Almost surely, 24015340220 is an apocalyptic number.

It is an amenable number.

4015340220 is an abundant number, since it is smaller than the sum of its proper divisors (7343535588).

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

4015340220 is a wasteful number, since it uses less digits than its factorization.

4015340220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690030 (or 690028 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 4015340220 is about 63366.7122391560. The cubic root of 4015340220 is about 1589.4277201577.

Adding to 4015340220 its reverse (220435104), we get a palindrome (4235775324).

The spelling of 4015340220 in words is "four billion, fifteen million, three hundred forty thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 97 194 291 388 485 582 970 1164 1455 1940 2910 5820 689921 1379842 2069763 2759684 3449605 4139526 6899210 8279052 10348815 13798420 20697630 41395260 66922337 133844674 200767011 267689348 334611685 401534022 669223370 803068044 1003835055 1338446740 2007670110 4015340220