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10072272 = 243731967
BaseRepresentation
bin100110011011…
…000011010000
3200221201120010
4212123003100
510034303042
6555514520
7151420140
oct46330320
920851503
1010072272
11575a4a1
123458a40
132118732
1414a2920
15d3e59c
hex99b0d0

10072272 has 80 divisors (see below), whose sum is σ = 30728192. Its totient is φ = 2782080.

The previous prime is 10072247. The next prime is 10072289. The reversal of 10072272 is 27227001.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9933 + ... + 10899.

Almost surely, 210072272 is an apocalyptic number.

10072272 is a gapful number since it is divisible by the number (12) 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 10072272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15364096).

10072272 is an abundant number, since it is smaller than the sum of its proper divisors (20655920).

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

10072272 is a wasteful number, since it uses less digits than its factorization.

10072272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1016 (or 1010 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 21.

The square root of 10072272 is about 3173.6842943179. The cubic root of 10072272 is about 215.9612413309.

Adding to 10072272 its reverse (27227001), we get a palindrome (37299273).

The spelling of 10072272 in words is "ten million, seventy-two thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 31 42 48 56 62 84 93 112 124 168 186 217 248 336 372 434 496 651 744 868 967 1302 1488 1736 1934 2604 2901 3472 3868 5208 5802 6769 7736 10416 11604 13538 15472 20307 23208 27076 29977 40614 46416 54152 59954 81228 89931 108304 119908 162456 179862 209839 239816 324912 359724 419678 479632 629517 719448 839356 1259034 1438896 1678712 2518068 3357424 5036136 10072272