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672352051 = 7101950993
BaseRepresentation
bin101000000100110…
…100011100110011
31201212011000121211
4220010310130303
52334110231201
6150414500551
722442620030
oct5004643463
91655130554
10672352051
11315586058
12169204757
13a93abb67
146541c387
153e060651
hex28134733

672352051 has 8 divisors (see below), whose sum is σ = 776011104. Its totient is φ = 570595200.

The previous prime is 672352039. The next prime is 672352127. The reversal of 672352051 is 150253276.

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

It is not a de Polignac number, because 672352051 - 25 = 672352019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672352001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474790 + ... + 476203.

It is an arithmetic number, because the mean of its divisors is an integer number (97001388).

Almost surely, 2672352051 is an apocalyptic number.

672352051 is a deficient number, since it is larger than the sum of its proper divisors (103659053).

672352051 is a wasteful number, since it uses less digits than its factorization.

672352051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951101.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 672352051 is about 25929.7522356077. The cubic root of 672352051 is about 876.0567590219.

The spelling of 672352051 in words is "six hundred seventy-two million, three hundred fifty-two thousand, fifty-one".

Divisors: 1 7 101 707 950993 6656951 96050293 672352051