Search a number
-
+
1602420652 = 22757229309
BaseRepresentation
bin101111110000010…
…1111111110101100
311010200020101220001
41133200233332230
511240204430102
6423001234044
754465231220
oct13740577654
94120211801
101602420652
11752585398
12388792924
131c6ca2801
14112b64780
1595a2b487
hex5f82ffac

1602420652 has 12 divisors (see below), whose sum is σ = 3204841360. Its totient is φ = 686751696.

The previous prime is 1602420647. The next prime is 1602420653. The reversal of 1602420652 is 2560242061.

1602420652 is an admirable number.

It is a super-2 number, since 2×16024206522 = 5135503891912210208, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 57229309 = 1602420652 / (1 + 6 + 0 + 2 + 4 + 2 + 0 + 6 + 5 + 2).

It is a self number, because there is not a number n which added to its sum of digits gives 1602420652.

It is not an unprimeable number, because it can be changed into a prime (1602420653) 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, 28614627 + ... + 28614682.

Almost surely, 21602420652 is an apocalyptic number.

It is an amenable number.

1602420652 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1602420652 is a wasteful number, since it uses less digits than its factorization.

1602420652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57229320 (or 57229318 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1602420652 is about 40030.2467142035. The cubic root of 1602420652 is about 1170.1966338614.

The spelling of 1602420652 in words is "one billion, six hundred two million, four hundred twenty thousand, six hundred fifty-two".

Divisors: 1 2 4 7 14 28 57229309 114458618 228917236 400605163 801210326 1602420652