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275003092 = 227213372917
BaseRepresentation
bin10000011001000…
…011011011010100
3201011110121022201
4100121003123110
51030400044332
643142134244
76546326200
oct2031033324
9634417281
10275003092
11131260991
1278121384
1344c88130
1428747b00
15192225e7
hex106436d4

275003092 has 72 divisors (see below), whose sum is σ = 619398024. Its totient is φ = 105815808.

The previous prime is 275003089. The next prime is 275003117. The reversal of 275003092 is 290300572.

It can be written as a sum of positive squares in 4 ways, for example, as 141276996 + 133726096 = 11886^2 + 11564^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 275003092.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 92818 + ... + 95734.

Almost surely, 2275003092 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 275003092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (309699012).

275003092 is an abundant number, since it is smaller than the sum of its proper divisors (344394932).

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

275003092 is a wasteful number, since it uses less digits than its factorization.

275003092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2985 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 3780, while the sum is 28.

The square root of 275003092 is about 16583.2171788227. The cubic root of 275003092 is about 650.2981606461.

The spelling of 275003092 in words is "two hundred seventy-five million, three thousand, ninety-two".

Divisors: 1 2 4 7 13 14 26 28 37 49 52 74 91 98 148 182 196 259 364 481 518 637 962 1036 1274 1813 1924 2548 2917 3367 3626 5834 6734 7252 11668 13468 20419 23569 37921 40838 47138 75842 81676 94276 107929 142933 151684 215858 265447 285866 431716 530894 571732 755503 1061788 1403077 1511006 1858129 2806154 3022012 3716258 5288521 5612308 7432516 9821539 10577042 19643078 21154084 39286156 68750773 137501546 275003092