Search a number
-
+
19077130 = 251907713
BaseRepresentation
bin100100011000…
…1100000001010
31022220012220101
41020301200022
514340432010
61520520014
7321103312
oct110614012
938805811
1019077130
11a84aa26
12648000a
133c4c357
142768442
151a1c73a
hex123180a

19077130 has 8 divisors (see below), whose sum is σ = 34338852. Its totient is φ = 7630848.

The previous prime is 19077127. The next prime is 19077131. The reversal of 19077130 is 3177091.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 15976009 + 3101121 = 3997^2 + 1761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (19077131) 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, 953847 + ... + 953866.

Almost surely, 219077130 is an apocalyptic number.

19077130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19077130 is a deficient number, since it is larger than the sum of its proper divisors (15261722).

19077130 is a wasteful number, since it uses less digits than its factorization.

19077130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1907720.

The product of its (nonzero) digits is 1323, while the sum is 28.

The square root of 19077130 is about 4367.7374005313. The cubic root of 19077130 is about 267.2007542528.

The spelling of 19077130 in words is "nineteen million, seventy-seven thousand, one hundred thirty".

Divisors: 1 2 5 10 1907713 3815426 9538565 19077130