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10551268 = 22721341101
BaseRepresentation
bin101000001111…
…111111100100
3201212001121201
4220033333210
510200120033
61014052244
7155453500
oct50177744
921761551
1010551268
115a57362
12364a084
132255770
141589300
15dd647d
hexa0ffe4

10551268 has 72 divisors (see below), whose sum is σ = 23930424. Its totient is φ = 4032000.

The previous prime is 10551263. The next prime is 10551301. The reversal of 10551268 is 86215501.

It can be written as a sum of positive squares in 4 ways, for example, as 451584 + 10099684 = 672^2 + 3178^2 .

It is a super-2 number, since 2×105512682 = 222658512815648, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10551263) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104418 + ... + 104518.

It is an arithmetic number, because the mean of its divisors is an integer number (332367).

Almost surely, 210551268 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 10551268, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11965212).

10551268 is an abundant number, since it is smaller than the sum of its proper divisors (13379156).

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

10551268 is a wasteful number, since it uses less digits than its factorization.

10551268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 164 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 28.

The square root of 10551268 is about 3248.2715403734. The cubic root of 10551268 is about 219.3317740445.

Adding to 10551268 its reverse (86215501), we get a palindrome (96766769).

The spelling of 10551268 in words is "ten million, five hundred fifty-one thousand, two hundred sixty-eight".

Divisors: 1 2 4 7 13 14 26 28 41 49 52 82 91 98 101 164 182 196 202 287 364 404 533 574 637 707 1066 1148 1274 1313 1414 2009 2132 2548 2626 2828 3731 4018 4141 4949 5252 7462 8036 8282 9191 9898 14924 16564 18382 19796 26117 28987 36764 52234 53833 57974 64337 104468 107666 115948 128674 202909 215332 257348 376831 405818 753662 811636 1507324 2637817 5275634 10551268