Search a number
-
+
74422132 = 22181102793
BaseRepresentation
bin1000110111110…
…01011101110100
312012001000222021
410123321131310
5123023002012
611215042524
71562402101
oct433713564
9165030867
1074422132
11390114a4
1220b10444
1312559585
149c53aa8
156801007
hex46f9774

74422132 has 12 divisors (see below), whose sum is σ = 130959556. Its totient is φ = 37005120.

The previous prime is 74422111. The next prime is 74422147. The reversal of 74422132 is 23122447.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 29986576 + 44435556 = 5476^2 + 6666^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74422097 and 74422106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50673 + ... + 52120.

Almost surely, 274422132 is an apocalyptic number.

It is an amenable number.

74422132 is a deficient number, since it is larger than the sum of its proper divisors (56537424).

74422132 is a wasteful number, since it uses less digits than its factorization.

74422132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102978 (or 102976 counting only the distinct ones).

The product of its digits is 2688, while the sum is 25.

The square root of 74422132 is about 8626.8262993989. The cubic root of 74422132 is about 420.6304439726.

Adding to 74422132 its reverse (23122447), we get a palindrome (97544579).

The spelling of 74422132 in words is "seventy-four million, four hundred twenty-two thousand, one hundred thirty-two".

Divisors: 1 2 4 181 362 724 102793 205586 411172 18605533 37211066 74422132