Search a number
-
+
13875080 = 235346877
BaseRepresentation
bin110100111011…
…011110001000
3222002221000212
4310323132020
512023000310
61213220252
7225636062
oct64733610
928087025
1013875080
11791760a
124791688
132b4a60b
141bb2732
151341205
hexd3b788

13875080 has 16 divisors (see below), whose sum is σ = 31219020. Its totient is φ = 5550016.

The previous prime is 13875047. The next prime is 13875101. The reversal of 13875080 is 8057831.

It can be written as a sum of positive squares in 2 ways, for example, as 13205956 + 669124 = 3634^2 + 818^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173399 + ... + 173478.

Almost surely, 213875080 is an apocalyptic number.

13875080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13875080 is an abundant number, since it is smaller than the sum of its proper divisors (17343940).

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

13875080 is a wasteful number, since it uses less digits than its factorization.

13875080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346888 (or 346884 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 13875080 is about 3724.9268449192. The cubic root of 13875080 is about 240.2952385122.

The spelling of 13875080 in words is "thirteen million, eight hundred seventy-five thousand, eighty".

Divisors: 1 2 4 5 8 10 20 40 346877 693754 1387508 1734385 2775016 3468770 6937540 13875080