Search a number
-
+
275248212 = 223195472207
BaseRepresentation
bin10000011001111…
…111010001010100
3201011221001120020
4100121333101110
51030430420322
643151305140
76551366631
oct2031772124
9634831506
10275248212
11131409068
127821b1b0
1345042885
14287ad188
151927005c
hex1067f454

275248212 has 48 divisors (see below), whose sum is σ = 677591040. Its totient is φ = 86722272.

The previous prime is 275248201. The next prime is 275248229. The reversal of 275248212 is 212842572.

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, 123613 + ... + 125819.

It is an arithmetic number, because the mean of its divisors is an integer number (14116480).

Almost surely, 2275248212 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 275248212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (338795520).

275248212 is an abundant number, since it is smaller than the sum of its proper divisors (402342828).

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

275248212 is a wasteful number, since it uses less digits than its factorization.

275248212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2778 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 275248212 is about 16590.6061372091. The cubic root of 275248212 is about 650.4913145333.

The spelling of 275248212 in words is "two hundred seventy-five million, two hundred forty-eight thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 547 1094 1641 2188 2207 3282 4414 6564 6621 8828 10393 13242 20786 26484 31179 41572 41933 62358 83866 124716 125799 167732 251598 503196 1207229 2414458 3621687 4828916 7243374 14486748 22937351 45874702 68812053 91749404 137624106 275248212