Search a number
-
+
13402030 = 251970537
BaseRepresentation
bin110011000111…
…111110101110
3221012220010111
4303013332232
511412331110
61155130234
7221625655
oct63077656
927186114
1013402030
117624164
1245a397a
132a131c5
141acc19c
15129ae8a
hexcc7fae

13402030 has 16 divisors (see below), whose sum is σ = 25393680. Its totient is φ = 5078592.

The previous prime is 13402009. The next prime is 13402033. The reversal of 13402030 is 3020431.

It is a super-2 number, since 2×134020302 = 359228816241800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13402030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13402033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35079 + ... + 35458.

It is an arithmetic number, because the mean of its divisors is an integer number (1587105).

Almost surely, 213402030 is an apocalyptic number.

13402030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13402030 is a deficient number, since it is larger than the sum of its proper divisors (11991650).

13402030 is a wasteful number, since it uses less digits than its factorization.

13402030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70563.

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 13402030 is about 3660.8783099142. The cubic root of 13402030 is about 237.5327674088.

Adding to 13402030 its reverse (3020431), we get a palindrome (16422461).

The spelling of 13402030 in words is "thirteen million, four hundred two thousand, thirty".

Divisors: 1 2 5 10 19 38 95 190 70537 141074 352685 705370 1340203 2680406 6701015 13402030