Search a number
-
+
1142298 = 232173733
BaseRepresentation
bin100010110111000011010
32011000221100
410112320122
5243023143
640252230
712465213
oct4267032
92130840
101142298
11710253
12471076
1330cc21
1421a40a
151786d3
hex116e1a

1142298 has 24 divisors (see below), whose sum is σ = 2621268. Its totient is φ = 358272.

The previous prime is 1142287. The next prime is 1142311. The reversal of 1142298 is 8922411.

It can be written as a sum of positive squares in 2 ways, for example, as 1108809 + 33489 = 1053^2 + 183^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561 + ... + 2172.

21142298 is an apocalyptic number.

1142298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1142298 is an abundant number, since it is smaller than the sum of its proper divisors (1478970).

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

1142298 is a wasteful number, since it uses less digits than its factorization.

1142298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3758 (or 3755 counting only the distinct ones).

The product of its digits is 1152, while the sum is 27.

The square root of 1142298 is about 1068.7834205301. The cubic root of 1142298 is about 104.5345383114.

The spelling of 1142298 in words is "one million, one hundred forty-two thousand, two hundred ninety-eight".

Divisors: 1 2 3 6 9 17 18 34 51 102 153 306 3733 7466 11199 22398 33597 63461 67194 126922 190383 380766 571149 1142298