Search a number
-
+
1072242 = 23271839
BaseRepresentation
bin100000101110001110010
32000110211200
410011301302
5233302432
634552030
712054033
oct4056162
92013750
101072242
11672656
12438616
132b7082
141dca8a
15162a7c
hex105c72

1072242 has 24 divisors (see below), whose sum is σ = 2358720. Its totient is φ = 351960.

The previous prime is 1072231. The next prime is 1072301. The reversal of 1072242 is 2422701.

It is a super-2 number, since 2×10722422 = 2299405813128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 859 + ... + 1697.

It is an arithmetic number, because the mean of its divisors is an integer number (98280).

21072242 is an apocalyptic number.

1072242 is an abundant number, since it is smaller than the sum of its proper divisors (1286478).

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

1072242 is a wasteful number, since it uses less digits than its factorization.

1072242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918 (or 915 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1072242 is about 1035.4911877945. The cubic root of 1072242 is about 102.3522996626.

Adding to 1072242 its reverse (2422701), we get a palindrome (3494943).

The spelling of 1072242 in words is "one million, seventy-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 18 71 142 213 426 639 839 1278 1678 2517 5034 7551 15102 59569 119138 178707 357414 536121 1072242