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992213709 = 32371139493
BaseRepresentation
bin111011001000111…
…111101011001101
32120011000200022220
4323020333223031
54013001314314
6242242325553
733405451224
oct7310775315
92504020286
10992213709
1146a095933
122383598b9
1312a742106
1495ac1cbb
155c1943a9
hex3b23facd

992213709 has 8 divisors (see below), whose sum is σ = 1323519072. Its totient is φ = 661192080.

The previous prime is 992213707. The next prime is 992213771. The reversal of 992213709 is 907312299.

It is a happy number.

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

It is not a de Polignac number, because 992213709 - 21 = 992213707 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992213707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62634 + ... + 76859.

It is an arithmetic number, because the mean of its divisors is an integer number (165439884).

Almost surely, 2992213709 is an apocalyptic number.

It is an amenable number.

992213709 is a deficient number, since it is larger than the sum of its proper divisors (331305363).

992213709 is a wasteful number, since it uses less digits than its factorization.

992213709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141867.

The product of its (nonzero) digits is 61236, while the sum is 42.

The square root of 992213709 is about 31499.4239471137. The cubic root of 992213709 is about 997.3978041168.

The spelling of 992213709 in words is "nine hundred ninety-two million, two hundred thirteen thousand, seven hundred nine".

Divisors: 1 3 2371 7113 139493 418479 330737903 992213709