[go: up one dir, main page]

Search a number
-
+
2138376 = 233139641
BaseRepresentation
bin1000001010000100001000
311000122022010
420022010020
51021412001
6113455520
724114222
oct10120410
94018263
102138376
111230659
128715a0
1359b416
143d9412
152c38d6
hex20a108

2138376 has 32 divisors (see below), whose sum is σ = 5392800. Its totient is φ = 706560.

The previous prime is 2138371. The next prime is 2138377. The reversal of 2138376 is 6738312.

It is a d-powerful number, because it can be written as 221 + 1 + 39 + 83 + 39 + 72 + 64 .

It is not an unprimeable number, because it can be changed into a prime (2138371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3016 + ... + 3656.

It is an arithmetic number, because the mean of its divisors is an integer number (168525).

22138376 is an apocalyptic number.

It is an amenable number.

2138376 is an abundant number, since it is smaller than the sum of its proper divisors (3254424).

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

2138376 is a wasteful number, since it uses less digits than its factorization.

2138376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789 (or 785 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 2138376 is about 1462.3187067120. The cubic root of 2138376 is about 128.8332681575.

The spelling of 2138376 in words is "two million, one hundred thirty-eight thousand, three hundred seventy-six".

Divisors: 1 2 3 4 6 8 12 24 139 278 417 556 641 834 1112 1282 1668 1923 2564 3336 3846 5128 7692 15384 89099 178198 267297 356396 534594 712792 1069188 2138376