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742320875 = 538371549
BaseRepresentation
bin101100001111101…
…110101011101011
31220201210210210202
4230033232223223
53010013232000
6201354302415
724252423542
oct5417565353
91821723722
10742320875
1135102572a
12188727a0b
13baa3942a
1470833159
1545281dd5
hex2c3eeaeb

742320875 has 16 divisors (see below), whose sum is σ = 937591200. Its totient is φ = 586693600.

The previous prime is 742320871. The next prime is 742320881. The reversal of 742320875 is 578023247.

742320875 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 742320875 - 22 = 742320871 is a prime.

It is not an unprimeable number, because it can be changed into a prime (742320871) 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 15 ways as a sum of consecutive naturals, for example, 25400 + ... + 46149.

It is an arithmetic number, because the mean of its divisors is an integer number (58599450).

Almost surely, 2742320875 is an apocalyptic number.

742320875 is a deficient number, since it is larger than the sum of its proper divisors (195270325).

742320875 is an equidigital number, since it uses as much as digits as its factorization.

742320875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71647 (or 71637 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 742320875 is about 27245.5661530459. The cubic root of 742320875 is about 905.4487869041.

The spelling of 742320875 in words is "seven hundred forty-two million, three hundred twenty thousand, eight hundred seventy-five".

Divisors: 1 5 25 83 125 415 2075 10375 71549 357745 1788725 5938567 8943625 29692835 148464175 742320875