[go: up one dir, main page]

Search a number
-
+
19054190 = 255993181
BaseRepresentation
bin100100010101…
…1111001101110
31022212001102202
41020223321232
514334213230
61520221502
7320646401
oct110537156
938761382
1019054190
11a834771
12646a892
133c41a8c
14275dd38
151a15a45
hex122be6e

19054190 has 16 divisors (see below), whose sum is σ = 34365600. Its totient is φ = 7606560.

The previous prime is 19054171. The next prime is 19054193. The reversal of 19054190 is 9145091.

It is a super-2 number, since 2×190541902 = 726124313112200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19054193) 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, 4400 + ... + 7580.

It is an arithmetic number, because the mean of its divisors is an integer number (2147850).

Almost surely, 219054190 is an apocalyptic number.

19054190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19054190 is a deficient number, since it is larger than the sum of its proper divisors (15311410).

19054190 is a wasteful number, since it uses less digits than its factorization.

19054190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3787.

The product of its (nonzero) digits is 1620, while the sum is 29.

The square root of 19054190 is about 4365.1105369738. The cubic root of 19054190 is about 267.0936094873.

Subtracting from 19054190 its reverse (9145091), we obtain a palindrome (9909099).

The spelling of 19054190 in words is "nineteen million, fifty-four thousand, one hundred ninety".

Divisors: 1 2 5 10 599 1198 2995 3181 5990 6362 15905 31810 1905419 3810838 9527095 19054190