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9242920749 = 37541408563
BaseRepresentation
bin10001001101110101…
…11100011100101101
3212212011012000122010
420212322330130231
5122412141430444
64125055511433
7445022346546
oct104672743455
925764160563
109242920749
113a1342a187
12195b528579
13b43bb469a
146397ab4cd
153916b32b9
hex226ebc72d

9242920749 has 8 divisors (see below), whose sum is σ = 12325558752. Its totient is φ = 6161114960.

The previous prime is 9242920703. The next prime is 9242920807. The reversal of 9242920749 is 9470292429.

9242920749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 9242920749 - 28 = 9242920493 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9242920698 and 9242920707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9242920249) 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, 181659 + ... + 226904.

It is an arithmetic number, because the mean of its divisors is an integer number (1540694844).

Almost surely, 29242920749 is an apocalyptic number.

It is an amenable number.

9242920749 is a deficient number, since it is larger than the sum of its proper divisors (3082638003).

9242920749 is a wasteful number, since it uses less digits than its factorization.

9242920749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416107.

The product of its (nonzero) digits is 653184, while the sum is 48.

The square root of 9242920749 is about 96140.1099905757. The cubic root of 9242920749 is about 2098.6325753213.

The spelling of 9242920749 in words is "nine billion, two hundred forty-two million, nine hundred twenty thousand, seven hundred forty-nine".

Divisors: 1 3 7541 22623 408563 1225689 3080973583 9242920749