Search a number
-
+
283138026 = 23172775863
BaseRepresentation
bin10000111000000…
…101011111101010
3201201202220100120
4100320011133222
51034440404101
644032344110
710005430203
oct2070053752
9651686316
10283138026
11135907876
127a9a5036
1346875ac2
14298645aa
1519cccb36
hex10e057ea

283138026 has 16 divisors (see below), whose sum is σ = 599586624. Its totient is φ = 88827584.

The previous prime is 283138007. The next prime is 283138091. The reversal of 283138026 is 620831382.

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, 1387830 + ... + 1388033.

It is an arithmetic number, because the mean of its divisors is an integer number (37474164).

Almost surely, 2283138026 is an apocalyptic number.

283138026 is an abundant number, since it is smaller than the sum of its proper divisors (316448598).

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

283138026 is a wasteful number, since it uses less digits than its factorization.

283138026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2775885.

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 283138026 is about 16826.7057382008. The cubic root of 283138026 is about 656.6481624763.

The spelling of 283138026 in words is "two hundred eighty-three million, one hundred thirty-eight thousand, twenty-six".

Divisors: 1 2 3 6 17 34 51 102 2775863 5551726 8327589 16655178 47189671 94379342 141569013 283138026