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3081264 = 243232791
BaseRepresentation
bin1011110000010000110000
312210112200220
423300100300
51242100024
6150013040
735122164
oct13602060
95715626
103081264
111814aaa
121047180
1383b644
145a2ca4
1540ce79
hex2f0430

3081264 has 40 divisors (see below), whose sum is σ = 8308992. Its totient is φ = 982080.

The previous prime is 3081259. The next prime is 3081271. The reversal of 3081264 is 4621803.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 292 + ... + 2499.

Almost surely, 23081264 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 3081264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4154496).

3081264 is an abundant number, since it is smaller than the sum of its proper divisors (5227728).

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

3081264 is a wasteful number, since it uses less digits than its factorization.

3081264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825 (or 2819 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 3081264 is about 1755.3529559607. The cubic root of 3081264 is about 145.5156275653.

It can be divided in two parts, 30812 and 64, that added together give a triangular number (30876 = T248).

The spelling of 3081264 in words is "three million, eighty-one thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 23 24 46 48 69 92 138 184 276 368 552 1104 2791 5582 8373 11164 16746 22328 33492 44656 64193 66984 128386 133968 192579 256772 385158 513544 770316 1027088 1540632 3081264