Search a number
-
+
276298542 = 232138913267
BaseRepresentation
bin10000011101111…
…111101100101110
3201020220102100100
4100131333230232
51031213023132
643230011530
76563333052
oct2035775456
9636812310
10276298542
11131a66203
1278646ba6
134531c980
14289a3c62
15193cb37c
hex1077fb2e

276298542 has 48 divisors (see below), whose sum is σ = 651989520. Its totient is φ = 84053376.

The previous prime is 276298537. The next prime is 276298543. The reversal of 276298542 is 245892672.

It is a super-2 number, since 2×2762985422 = 152681768622651528, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (276298543) 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, 14193 + ... + 27459.

It is an arithmetic number, because the mean of its divisors is an integer number (13583115).

Almost surely, 2276298542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 276298542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (325994760).

276298542 is an abundant number, since it is smaller than the sum of its proper divisors (375690978).

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

276298542 is a wasteful number, since it uses less digits than its factorization.

276298542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13377 (or 13374 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 276298542 is about 16622.2303557615. The cubic root of 276298542 is about 651.3176757294.

The spelling of 276298542 in words is "two hundred seventy-six million, two hundred ninety-eight thousand, five hundred forty-two".

Divisors: 1 2 3 6 9 13 18 26 39 78 89 117 178 234 267 534 801 1157 1602 2314 3471 6942 10413 13267 20826 26534 39801 79602 119403 172471 238806 344942 517413 1034826 1180763 1552239 2361526 3104478 3542289 7084578 10626867 15349919 21253734 30699838 46049757 92099514 138149271 276298542