Search a number
-
+
389714448 = 2438119051
BaseRepresentation
bin10111001110101…
…001001000010000
31000011022112201110
4113032221020100
51244231330243
6102400533320
712441342504
oct2716511020
91004275643
10389714448
1118aa90262
12aa621240
136297ca86
1439a88304
1524330e33
hex173a9210

389714448 has 20 divisors (see below), whose sum is σ = 1006762448. Its totient is φ = 129904800.

The previous prime is 389714407. The next prime is 389714449. The reversal of 389714448 is 844417983.

It is a Harshad number since it is a multiple of its sum of digits (48), and also a Moran number because the ratio is a prime number: 8119051 = 389714448 / (3 + 8 + 9 + 7 + 1 + 4 + 4 + 4 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 389714397 and 389714406.

It is not an unprimeable number, because it can be changed into a prime (389714449) 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, 4059478 + ... + 4059573.

Almost surely, 2389714448 is an apocalyptic number.

It is an amenable number.

389714448 is an abundant number, since it is smaller than the sum of its proper divisors (617048000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389714448 is a wasteful number, since it uses less digits than its factorization.

389714448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8119062 (or 8119056 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 389714448 is about 19741.1865904763. The cubic root of 389714448 is about 730.4359990047.

The spelling of 389714448 in words is "three hundred eighty-nine million, seven hundred fourteen thousand, four hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 8119051 16238102 24357153 32476204 48714306 64952408 97428612 129904816 194857224 389714448