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1472706689 = 1931976231
BaseRepresentation
bin101011111000111…
…1011100010000001
310210122011020210012
41113301323202001
511004003103224
6402045114305
751331541336
oct12761734201
93718136705
101472706689
11696339373
12351258995
131a615729c
14dd83a98d
158945780e
hex57c7b881

1472706689 has 4 divisors (see below), whose sum is σ = 1472802240. Its totient is φ = 1472611140.

The previous prime is 1472706661. The next prime is 1472706733. The reversal of 1472706689 is 9866072741.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1472706689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1472706649) 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, 18797 + ... + 57434.

It is an arithmetic number, because the mean of its divisors is an integer number (368200560).

Almost surely, 21472706689 is an apocalyptic number.

It is an amenable number.

1472706689 is a deficient number, since it is larger than the sum of its proper divisors (95551).

1472706689 is an equidigital number, since it uses as much as digits as its factorization.

1472706689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95550.

The product of its (nonzero) digits is 1016064, while the sum is 50.

The square root of 1472706689 is about 38375.8607590761. The cubic root of 1472706689 is about 1137.7288035332.

The spelling of 1472706689 in words is "one billion, four hundred seventy-two million, seven hundred six thousand, six hundred eighty-nine".

Divisors: 1 19319 76231 1472706689