Search a number
-
+
10712280 = 233589269
BaseRepresentation
bin101000110111…
…010011011000
3202011020111010
4220313103120
510220243110
61021333520
7160024065
oct50672330
922136433
1010712280
116057327
1237072a0
1322b0b37
1415cbc6c
15e19020
hexa374d8

10712280 has 32 divisors (see below), whose sum is σ = 32137200. Its totient is φ = 2856576.

The previous prime is 10712279. The next prime is 10712293. The reversal of 10712280 is 8221701.

10712280 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×107122803 (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44515 + ... + 44754.

Almost surely, 210712280 is an apocalyptic number.

10712280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10712280 is an abundant number, since it is smaller than the sum of its proper divisors (21424920).

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

10712280 is a wasteful number, since it uses less digits than its factorization.

10712280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89283 (or 89279 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 10712280 is about 3272.9619612822. The cubic root of 10712280 is about 220.4418118682.

Adding to 10712280 its reverse (8221701), we get a palindrome (18933981).

The spelling of 10712280 in words is "ten million, seven hundred twelve thousand, two hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 60 120 89269 178538 267807 357076 446345 535614 714152 892690 1071228 1339035 1785380 2142456 2678070 3570760 5356140 10712280