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672430233 = 3224143411
BaseRepresentation
bin101000000101000…
…111100010011001
31201212021222212110
4220011013202121
52334120231413
6150420302533
722443363666
oct5005074231
91655258773
10672430233
11315629872
12169241a49
13a9408617
146543ca6d
153e0788c3
hex28147899

672430233 has 4 divisors (see below), whose sum is σ = 896573648. Its totient is φ = 448286820.

The previous prime is 672430211. The next prime is 672430243. The reversal of 672430233 is 332034276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 672430233 - 25 = 672430201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 672430233.

It is not an unprimeable number, because it can be changed into a prime (672430243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112071703 + ... + 112071708.

It is an arithmetic number, because the mean of its divisors is an integer number (224143412).

Almost surely, 2672430233 is an apocalyptic number.

It is an amenable number.

672430233 is a deficient number, since it is larger than the sum of its proper divisors (224143415).

672430233 is a wasteful number, since it uses less digits than its factorization.

672430233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224143414.

The product of its (nonzero) digits is 18144, while the sum is 30.

The square root of 672430233 is about 25931.2597650018. The cubic root of 672430233 is about 876.0907140582.

The spelling of 672430233 in words is "six hundred seventy-two million, four hundred thirty thousand, two hundred thirty-three".

Divisors: 1 3 224143411 672430233