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992338157 = 8391182763
BaseRepresentation
bin111011001001011…
…110000011101101
32120011021000001002
4323021132003231
54013014310112
6242245130045
733406510106
oct7311360355
92504230032
10992338157
1146a170388
122383b9925
1312a786955
1495b153ad
155c1bb1c2
hex3b25e0ed

992338157 has 4 divisors (see below), whose sum is σ = 993521760. Its totient is φ = 991154556.

The previous prime is 992338147. The next prime is 992338199. The reversal of 992338157 is 751833299.

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 a cyclic number.

It is not a de Polignac number, because 992338157 - 24 = 992338141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (992338147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 590543 + ... + 592220.

It is an arithmetic number, because the mean of its divisors is an integer number (248380440).

Almost surely, 2992338157 is an apocalyptic number.

It is an amenable number.

992338157 is a deficient number, since it is larger than the sum of its proper divisors (1183603).

992338157 is a wasteful number, since it uses less digits than its factorization.

992338157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183602.

The product of its digits is 408240, while the sum is 47.

The square root of 992338157 is about 31501.3992863809. The cubic root of 992338157 is about 997.4395017779.

The spelling of 992338157 in words is "nine hundred ninety-two million, three hundred thirty-eight thousand, one hundred fifty-seven".

Divisors: 1 839 1182763 992338157