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672333897 = 31439155741
BaseRepresentation
bin101000000100110…
…000000001001001
31201212010002201110
4220010300001021
52334104141042
6150414240533
722442513064
oct5004600111
91655102643
10672333897
11315573454
121691b6149
13a93a3811
14654158db
153e05a09c
hex28130049

672333897 has 8 divisors (see below), whose sum is σ = 897073920. Its totient is φ = 447908240.

The previous prime is 672333889. The next prime is 672333911. The reversal of 672333897 is 798333276.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 672333897 - 23 = 672333889 is a prime.

It is a super-4 number, since 4×6723338974 (a number of 36 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not an unprimeable number, because it can be changed into a prime (672333097) 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, 73554 + ... + 82187.

It is an arithmetic number, because the mean of its divisors is an integer number (112134240).

Almost surely, 2672333897 is an apocalyptic number.

It is an amenable number.

672333897 is a deficient number, since it is larger than the sum of its proper divisors (224740023).

672333897 is a wasteful number, since it uses less digits than its factorization.

672333897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157183.

The product of its digits is 1143072, while the sum is 48.

The square root of 672333897 is about 25929.4021720517. The cubic root of 672333897 is about 876.0488742252.

The spelling of 672333897 in words is "six hundred seventy-two million, three hundred thirty-three thousand, eight hundred ninety-seven".

Divisors: 1 3 1439 4317 155741 467223 224111299 672333897