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3115020 = 2235193269
BaseRepresentation
bin1011111000100000001100
312212021000010
423320200030
51244140040
6150433220
735322456
oct13704014
95767003
103115020
1118383a7
121062810
13850b0c
145b12d6
15417e80
hex2f880c

3115020 has 48 divisors (see below), whose sum is σ = 8799840. Its totient is φ = 823296.

The previous prime is 3115009. The next prime is 3115027. The reversal of 3115020 is 205113.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 3114987 and 3115005.

It is not an unprimeable number, because it can be changed into a prime (3115027) 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, 11446 + ... + 11714.

It is an arithmetic number, because the mean of its divisors is an integer number (183330).

Almost surely, 23115020 is an apocalyptic number.

3115020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3115020 is an abundant number, since it is smaller than the sum of its proper divisors (5684820).

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

3115020 is a wasteful number, since it uses less digits than its factorization.

3115020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474 (or 472 counting only the distinct ones).

The product of its (nonzero) digits is 30, while the sum is 12.

The square root of 3115020 is about 1764.9419253902. The cubic root of 3115020 is about 146.0450852192.

It can be divided in two parts, 31 and 15020, that added together give a palindrome (15051).

The spelling of 3115020 in words is "three million, one hundred fifteen thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 193 269 386 538 579 772 807 965 1076 1158 1345 1614 1930 2316 2690 2895 3228 3860 4035 5380 5790 8070 11580 16140 51917 103834 155751 207668 259585 311502 519170 623004 778755 1038340 1557510 3115020