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750320061 = 3733426119
BaseRepresentation
bin101100101110001…
…111100110111101
31221021212012121220
4230232033212331
53014040220221
6202241543553
724410421021
oct5456174675
91837765556
10750320061
11355599627
1218b344bb9
13bc5aa38a
1471916381
1545d120c6
hex2cb8f9bd

750320061 has 8 divisors (see below), whose sum is σ = 1014131520. Its totient is φ = 493360992.

The previous prime is 750320033. The next prime is 750320101. The reversal of 750320061 is 160023057.

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

It is not a de Polignac number, because 750320061 - 211 = 750318013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (750340061) 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, 1712841 + ... + 1713278.

It is an arithmetic number, because the mean of its divisors is an integer number (126766440).

Almost surely, 2750320061 is an apocalyptic number.

It is an amenable number.

750320061 is a deficient number, since it is larger than the sum of its proper divisors (263811459).

750320061 is a wasteful number, since it uses less digits than its factorization.

750320061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426195.

The product of its (nonzero) digits is 1260, while the sum is 24.

The square root of 750320061 is about 27391.9707396164. The cubic root of 750320061 is about 908.6895201323.

The spelling of 750320061 in words is "seven hundred fifty million, three hundred twenty thousand, sixty-one".

Divisors: 1 3 73 219 3426119 10278357 250106687 750320061