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3015072 = 253219229
BaseRepresentation
bin1011100000000110100000
312200011220100
423200012200
51232440242
6144342400
734425204
oct13400640
95604810
103015072
11177a2a5
121014a00
13817488
14586b04
153e854c
hex2e01a0

3015072 has 108 divisors (see below), whose sum is σ = 9361170. Its totient is φ = 919296.

The previous prime is 3015071. The next prime is 3015109. The reversal of 3015072 is 2705103.

It can be written as a sum of positive squares in only one way, i.e., 2547216 + 467856 = 1596^2 + 684^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (3015071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 103954 + ... + 103982.

Almost surely, 23015072 is an apocalyptic number.

3015072 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3015072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4680585).

3015072 is an abundant number, since it is smaller than the sum of its proper divisors (6346098).

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

3015072 is a wasteful number, since it uses less digits than its factorization.

3015072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83 (or 53 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 3015072 is about 1736.3962681370. The cubic root of 3015072 is about 144.4660824039.

The spelling of 3015072 in words is "three million, fifteen thousand, seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 19 24 29 32 36 38 48 57 58 72 76 87 96 114 116 144 152 171 174 228 232 261 288 304 342 348 361 456 464 522 551 608 684 696 722 912 928 1044 1083 1102 1368 1392 1444 1653 1824 2088 2166 2204 2736 2784 2888 3249 3306 4176 4332 4408 4959 5472 5776 6498 6612 8352 8664 8816 9918 10469 11552 12996 13224 17328 17632 19836 20938 25992 26448 31407 34656 39672 41876 51984 52896 62814 79344 83752 94221 103968 125628 158688 167504 188442 251256 335008 376884 502512 753768 1005024 1507536 3015072