Search a number
-
+
274889112 = 233192112857
BaseRepresentation
bin10000011000100…
…111100110011000
3201011020210222020
4100120213212120
51030332422422
643135454440
76545342661
oct2030474630
9634223866
10274889112
11131193293
1278087420
1344c482a4
1428718368
15191ed95c
hex10627998

274889112 has 64 divisors (see below), whose sum is σ = 727075200. Its totient is φ = 86365440.

The previous prime is 274889101. The next prime is 274889113. The reversal of 274889112 is 211988472.

It is a super-2 number, since 2×2748891122 = 151128047792297088, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274889113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94788 + ... + 97644.

It is an arithmetic number, because the mean of its divisors is an integer number (11360550).

Almost surely, 2274889112 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 274889112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (363537600).

274889112 is an abundant number, since it is smaller than the sum of its proper divisors (452186088).

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

274889112 is a wasteful number, since it uses less digits than its factorization.

274889112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3096 (or 3092 counting only the distinct ones).

The product of its digits is 64512, while the sum is 42.

The square root of 274889112 is about 16579.7802156723. The cubic root of 274889112 is about 650.2083056237.

The spelling of 274889112 in words is "two hundred seventy-four million, eight hundred eighty-nine thousand, one hundred twelve".

Divisors: 1 2 3 4 6 8 12 19 24 38 57 76 114 152 211 228 422 456 633 844 1266 1688 2532 2857 4009 5064 5714 8018 8571 11428 12027 16036 17142 22856 24054 32072 34284 48108 54283 68568 96216 108566 162849 217132 325698 434264 602827 651396 1205654 1302792 1808481 2411308 3616962 4822616 7233924 11453713 14467848 22907426 34361139 45814852 68722278 91629704 137444556 274889112