Search a number
-
+
1502040620 = 22575102031
BaseRepresentation
bin101100110000111…
…0101001000101100
310212200100120101002
41121201311020230
511034010244440
6405013535432
752136064113
oct13141651054
93780316332
101502040620
11700954393
1235b044578
131ac258042
141036b4c7a
158bcee115
hex5987522c

1502040620 has 12 divisors (see below), whose sum is σ = 3154285344. Its totient is φ = 600816240.

The previous prime is 1502040583. The next prime is 1502040647. The reversal of 1502040620 is 260402051.

It is a happy number.

It is a super-2 number, since 2×15020406202 = 4512252048259968800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 75102031 = 1502040620 / (1 + 5 + 0 + 2 + 0 + 4 + 0 + 6 + 2 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 1502040592 and 1502040601.

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, 37550996 + ... + 37551035.

It is an arithmetic number, because the mean of its divisors is an integer number (262857112).

Almost surely, 21502040620 is an apocalyptic number.

1502040620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1502040620 is an abundant number, since it is smaller than the sum of its proper divisors (1652244724).

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

1502040620 is a wasteful number, since it uses less digits than its factorization.

1502040620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75102040 (or 75102038 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 1502040620 is about 38756.1687993021. The cubic root of 1502040620 is about 1145.2331021760.

Adding to 1502040620 its reverse (260402051), we get a palindrome (1762442671).

The spelling of 1502040620 in words is "one billion, five hundred two million, forty thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 75102031 150204062 300408124 375510155 751020310 1502040620