Search a number
-
+
672431126 = 213914511667
BaseRepresentation
bin101000000101000…
…111110000010110
31201212022001002112
4220011013300112
52334120244001
6150420311022
722443366413
oct5005076026
91655261075
10672431126
1131562a504
12169242472
13a9408b53
146543d10a
153e078cbb
hex28147c16

672431126 has 16 divisors (see below), whose sum is σ = 1017213120. Its totient is φ = 333366600.

The previous prime is 672431117. The next prime is 672431129. The reversal of 672431126 is 621134276.

It is a junction number, because it is equal to n+sod(n) for n = 672431092 and 672431101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672431129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 402545 + ... + 404211.

It is an arithmetic number, because the mean of its divisors is an integer number (63575820).

Almost surely, 2672431126 is an apocalyptic number.

672431126 is a deficient number, since it is larger than the sum of its proper divisors (344781994).

672431126 is a wasteful number, since it uses less digits than its factorization.

672431126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3259.

The product of its digits is 12096, while the sum is 32.

The square root of 672431126 is about 25931.2769835965. The cubic root of 672431126 is about 876.0911018797.

The spelling of 672431126 in words is "six hundred seventy-two million, four hundred thirty-one thousand, one hundred twenty-six".

Divisors: 1 2 139 278 1451 1667 2902 3334 201689 231713 403378 463426 2418817 4837634 336215563 672431126