Search a number
-
+
972738 = 232134157
BaseRepresentation
bin11101101011111000010
31211102100100
43231133002
5222111423
632503230
711160654
oct3553702
91742310
10972738
11604918
123aab16
132809b0
141b46d4
15143343
hexed7c2

972738 has 24 divisors (see below), whose sum is σ = 2270268. Its totient is φ = 299232.

The previous prime is 972721. The next prime is 972787. The reversal of 972738 is 837279.

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 45369 = 963^2 + 213^2 .

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, 1845 + ... + 2312.

2972738 is an apocalyptic number.

972738 is an abundant number, since it is smaller than the sum of its proper divisors (1297530).

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

972738 is a wasteful number, since it uses less digits than its factorization.

972738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4178 (or 4175 counting only the distinct ones).

The product of its digits is 21168, while the sum is 36.

The square root of 972738 is about 986.2748095739. The cubic root of 972738 is about 99.0828813130.

The spelling of 972738 in words is "nine hundred seventy-two thousand, seven hundred thirty-eight".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 4157 8314 12471 24942 37413 54041 74826 108082 162123 324246 486369 972738