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992120741 = 2833505727
BaseRepresentation
bin111011001000101…
…000111110100101
32120010211221210122
4323020220332211
54012440330431
6242240331325
733404613203
oct7310507645
92503757718
10992120741
1146a031aa7
12238313b45
1312a70b9c1
1495a9a073
155c176a7b
hex3b228fa5

992120741 has 4 divisors (see below), whose sum is σ = 995626752. Its totient is φ = 988614732.

The previous prime is 992120737. The next prime is 992120749. The reversal of 992120741 is 147021299.

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 992120741 - 22 = 992120737 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 (992120749) 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, 1752581 + ... + 1753146.

It is an arithmetic number, because the mean of its divisors is an integer number (248906688).

Almost surely, 2992120741 is an apocalyptic number.

It is an amenable number.

992120741 is a deficient number, since it is larger than the sum of its proper divisors (3506011).

992120741 is a wasteful number, since it uses less digits than its factorization.

992120741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3506010.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 992120741 is about 31497.9482030179. The cubic root of 992120741 is about 997.3666518981.

The spelling of 992120741 in words is "nine hundred ninety-two million, one hundred twenty thousand, seven hundred forty-one".

Divisors: 1 283 3505727 992120741