Search a number
-
+
2893156 = 227229509
BaseRepresentation
bin1011000010010101100100
312102222122221
423002111210
51220040111
6142002124
733406600
oct13022544
95388587
102893156
1116a6742
12b76344
137a3b36
14554500
153c2371
hex2c2564

2893156 has 36 divisors (see below), whose sum is σ = 6104700. Its totient is φ = 1194816.

The previous prime is 2893129. The next prime is 2893157. The reversal of 2893156 is 6513982.

It can be written as a sum of positive squares in 2 ways, for example, as 1960000 + 933156 = 1400^2 + 966^2 .

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2893157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5430 + ... + 5938.

It is an arithmetic number, because the mean of its divisors is an integer number (169575).

22893156 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 2893156, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3052350).

2893156 is an abundant number, since it is smaller than the sum of its proper divisors (3211544).

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

2893156 is a wasteful number, since it uses less digits than its factorization.

2893156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556 (or 547 counting only the distinct ones).

The product of its digits is 12960, while the sum is 34.

The square root of 2893156 is about 1700.9279820145. The cubic root of 2893156 is about 142.4920442876.

The spelling of 2893156 in words is "two million, eight hundred ninety-three thousand, one hundred fifty-six".

Divisors: 1 2 4 7 14 28 29 49 58 98 116 196 203 406 509 812 1018 1421 2036 2842 3563 5684 7126 14252 14761 24941 29522 49882 59044 99764 103327 206654 413308 723289 1446578 2893156