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3081036 = 223743853
BaseRepresentation
bin1011110000001101001100
312210112101110
423300031030
51242043121
6150012020
735121420
oct13601514
95715343
103081036
111814912
121047010
1383b4ca
145a2b80
1540cd76
hex2f034c

3081036 has 48 divisors (see below), whose sum is σ = 8417024. Its totient is φ = 858816.

The previous prime is 3081031. The next prime is 3081037. The reversal of 3081036 is 6301803.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3081031) 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, 3186 + ... + 4038.

Almost surely, 23081036 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3081036, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4208512).

3081036 is an abundant number, since it is smaller than the sum of its proper divisors (5335988).

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

3081036 is a wasteful number, since it uses less digits than its factorization.

3081036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 3081036 is about 1755.2880105555. The cubic root of 3081036 is about 145.5120383044.

Adding to 3081036 its reverse (6301803), we get a palindrome (9382839).

The spelling of 3081036 in words is "three million, eighty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 43 84 86 129 172 258 301 516 602 853 903 1204 1706 1806 2559 3412 3612 5118 5971 10236 11942 17913 23884 35826 36679 71652 73358 110037 146716 220074 256753 440148 513506 770259 1027012 1540518 3081036