Search a number
-
+
1420256366 = 21528946447
BaseRepresentation
bin101010010100111…
…0110010001101110
310122222110111110122
41110221312101232
510402041200431
6352533004542
750123660054
oct12451662156
93588414418
101420256366
116697746a1
12337783752
131983217a9
14d68a61d4
1584a46a7b
hex54a7646e

1420256366 has 8 divisors (see below), whose sum is σ = 2130569760. Its totient is φ = 710066448.

The previous prime is 1420256339. The next prime is 1420256389. The reversal of 1420256366 is 6636520241.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7355 + ... + 53801.

It is an arithmetic number, because the mean of its divisors is an integer number (266321220).

Almost surely, 21420256366 is an apocalyptic number.

1420256366 is a deficient number, since it is larger than the sum of its proper divisors (710313394).

1420256366 is a wasteful number, since it uses less digits than its factorization.

1420256366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61738.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 1420256366 is about 37686.2888329429. The cubic root of 1420256366 is about 1124.0585021031.

The spelling of 1420256366 in words is "one billion, four hundred twenty million, two hundred fifty-six thousand, three hundred sixty-six".

Divisors: 1 2 15289 30578 46447 92894 710128183 1420256366