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10215072 = 25347563
BaseRepresentation
bin100110111101…
…111010100000
3201012222110000
4212331322200
510103340242
61002540000
7152553360
oct46757240
921188400
1010215072
11584780a
123507600
13216872a
1414dc9a0
15d6ba4c
hex9bdea0

10215072 has 120 divisors (see below), whose sum is σ = 34394976. Its totient is φ = 2913408.

The previous prime is 10215067. The next prime is 10215119. The reversal of 10215072 is 27051201.

10215072 = T183 + T184 + ... + T406.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17863 + ... + 18425.

Almost surely, 210215072 is an apocalyptic number.

10215072 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 10215072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17197488).

10215072 is an abundant number, since it is smaller than the sum of its proper divisors (24179904).

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

10215072 is an equidigital number, since it uses as much as digits as its factorization.

10215072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 575 counting only the distinct ones).

The product of its (nonzero) digits is 140, while the sum is 18.

The square root of 10215072 is about 3196.1026266376. The cubic root of 10215072 is about 216.9770552024.

Adding to 10215072 its reverse (27051201), we get a palindrome (37266273).

The spelling of 10215072 in words is "ten million, two hundred fifteen thousand, seventy-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 72 81 84 96 108 112 126 144 162 168 189 216 224 252 288 324 336 378 432 504 563 567 648 672 756 864 1008 1126 1134 1296 1512 1689 2016 2252 2268 2592 3024 3378 3941 4504 4536 5067 6048 6756 7882 9008 9072 10134 11823 13512 15201 15764 18016 18144 20268 23646 27024 30402 31528 35469 40536 45603 47292 54048 60804 63056 70938 81072 91206 94584 106407 121608 126112 141876 162144 182412 189168 212814 243216 283752 319221 364824 378336 425628 486432 567504 638442 729648 851256 1135008 1276884 1459296 1702512 2553768 3405024 5107536 10215072