[go: up one dir, main page]

Search a number
-
+
42284460 = 22355313297
BaseRepresentation
bin1010000101001…
…1010110101100
32221120021101010
42201103112230
541311100320
64110145220
71022261211
oct241232654
987507333
1042284460
1121960a39
12121b2210
1389b65ba
145889b08
153aa3ae0
hex28535ac

42284460 has 48 divisors (see below), whose sum is σ = 120639456. Its totient is φ = 11062272.

The previous prime is 42284449. The next prime is 42284461. The reversal of 42284460 is 6448224.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (42284461) 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, 3469 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (2513322).

Almost surely, 242284460 is an apocalyptic number.

It is an amenable number.

42284460 is an abundant number, since it is smaller than the sum of its proper divisors (78354996).

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

42284460 is a wasteful number, since it uses less digits than its factorization.

42284460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13362 (or 13360 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

The square root of 42284460 is about 6502.6502289451. The cubic root of 42284460 is about 348.3856538449.

The spelling of 42284460 in words is "forty-two million, two hundred eighty-four thousand, four hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 53 60 106 159 212 265 318 530 636 795 1060 1590 3180 13297 26594 39891 53188 66485 79782 132970 159564 199455 265940 398910 704741 797820 1409482 2114223 2818964 3523705 4228446 7047410 8456892 10571115 14094820 21142230 42284460