Search a number
-
+
1420527298 = 2710263649
BaseRepresentation
bin101010010101011…
…1000011011000010
310122222222021010011
41110222320123002
510402123333143
6352542455134
750126166001
oct12452703302
93588867104
101420527298
1166993a203
123378944aa
131983b7bc8
14d6936c38
1584a9be9d
hex54ab86c2

1420527298 has 4 divisors (see below), whose sum is σ = 2130790950. Its totient is φ = 710263648.

The previous prime is 1420527289. The next prime is 1420527307. The reversal of 1420527298 is 8927250241.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (1420527289) and next prime (1420527307).

It can be written as a sum of positive squares in only one way, i.e., 1417748409 + 2778889 = 37653^2 + 1667^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 1420527298.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 355131823 + ... + 355131826.

Almost surely, 21420527298 is an apocalyptic number.

1420527298 is a deficient number, since it is larger than the sum of its proper divisors (710263652).

1420527298 is an equidigital number, since it uses as much as digits as its factorization.

1420527298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710263651.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 1420527298 is about 37689.8832314455. The cubic root of 1420527298 is about 1124.1299737196.

The spelling of 1420527298 in words is "one billion, four hundred twenty million, five hundred twenty-seven thousand, two hundred ninety-eight".

Divisors: 1 2 710263649 1420527298