Search a number
-
+
11427870 = 235380929
BaseRepresentation
bin101011100110…
…000000011110
3210111121002110
4223212000132
510411142440
61044534450
7166064256
oct53460036
923447073
1011427870
1164a5a23
1239b1426
1324a176c
141736966
15100b080
hexae601e

11427870 has 16 divisors (see below), whose sum is σ = 27426960. Its totient is φ = 3047424.

The previous prime is 11427863. The next prime is 11427877. The reversal of 11427870 is 7872411.

It is an interprime number because it is at equal distance from previous prime (11427863) and next prime (11427877).

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 380929 = 11427870 / (1 + 1 + 4 + 2 + 7 + 8 + 7 + 0).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11427877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190435 + ... + 190494.

It is an arithmetic number, because the mean of its divisors is an integer number (1714185).

Almost surely, 211427870 is an apocalyptic number.

11427870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11427870 is an abundant number, since it is smaller than the sum of its proper divisors (15999090).

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

11427870 is a wasteful number, since it uses less digits than its factorization.

11427870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380939.

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 11427870 is about 3380.5132746374. The cubic root of 11427870 is about 225.2449677635.

The spelling of 11427870 in words is "eleven million, four hundred twenty-seven thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 380929 761858 1142787 1904645 2285574 3809290 5713935 11427870