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672006963 = 3511943759
BaseRepresentation
bin101000000011100…
…000001100110011
31201211111111020210
4220003200030303
52334013210323
6150403235203
722436651655
oct5003401463
91654444223
10672006963
1131536a861
12169078b03
13a92baa74
146536c6d5
153dee3293
hex280e0333

672006963 has 8 divisors (see below), whose sum is σ = 896204800. Its totient is φ = 447906888.

The previous prime is 672006961. The next prime is 672006971. The reversal of 672006963 is 369600276.

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

It is not a de Polignac number, because 672006963 - 21 = 672006961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (672006961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6523 + ... + 37236.

It is an arithmetic number, because the mean of its divisors is an integer number (112025600).

Almost surely, 2672006963 is an apocalyptic number.

672006963 is a deficient number, since it is larger than the sum of its proper divisors (224197837).

672006963 is a wasteful number, since it uses less digits than its factorization.

672006963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48881.

The product of its (nonzero) digits is 81648, while the sum is 39.

The square root of 672006963 is about 25923.0970950618. The cubic root of 672006963 is about 875.9068532242.

The spelling of 672006963 in words is "six hundred seventy-two million, six thousand, nine hundred sixty-three".

Divisors: 1 3 5119 15357 43759 131277 224002321 672006963