Search a number
-
+
8738972 = 2211198613
BaseRepresentation
bin100001010101…
…100010011100
3121102222121122
4201111202130
54214121342
6511150112
7134165024
oct41254234
917388548
108738972
114a297a0
122b15338
131a6c8b8
141236a84
15b794d2
hex85589c

8738972 has 12 divisors (see below), whose sum is σ = 16683576. Its totient is φ = 3972240.

The previous prime is 8738963. The next prime is 8739001. The reversal of 8738972 is 2798378.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 198613 = 8738972 / (8 + 7 + 3 + 8 + 9 + 7 + 2).

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, 99263 + ... + 99350.

It is an arithmetic number, because the mean of its divisors is an integer number (1390298).

Almost surely, 28738972 is an apocalyptic number.

It is an amenable number.

8738972 is a deficient number, since it is larger than the sum of its proper divisors (7944604).

8738972 is a wasteful number, since it uses less digits than its factorization.

8738972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198628 (or 198626 counting only the distinct ones).

The product of its digits is 169344, while the sum is 44.

The square root of 8738972 is about 2956.1752316126. The cubic root of 8738972 is about 205.9776580539.

The spelling of 8738972 in words is "eight million, seven hundred thirty-eight thousand, nine hundred seventy-two".

Divisors: 1 2 4 11 22 44 198613 397226 794452 2184743 4369486 8738972