Search a number
-
+
26219051 = 371136271
BaseRepresentation
bin110010000000…
…1001000101011
31211100001202222
41210001020223
523203002201
62333544255
7435600245
oct144011053
954301688
1026219051
1113888841
12894508b
135580041
1436a7095
15247d91b
hex190122b

26219051 has 8 divisors (see below), whose sum is σ = 27170304. Its totient is φ = 25280640.

The previous prime is 26219041. The next prime is 26219059. The reversal of 26219051 is 15091262.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-26219051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26219051.

It is not an unprimeable number, because it can be changed into a prime (26219059) 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, 1046 + ... + 7316.

It is an arithmetic number, because the mean of its divisors is an integer number (3396288).

Almost surely, 226219051 is an apocalyptic number.

26219051 is the 4181-st pentagonal number.

26219051 is a deficient number, since it is larger than the sum of its proper divisors (951253).

26219051 is a wasteful number, since it uses less digits than its factorization.

26219051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6421.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 26219051 is about 5120.4541790744. The cubic root of 26219051 is about 297.0792526958.

The spelling of 26219051 in words is "twenty-six million, two hundred nineteen thousand, fifty-one".

Divisors: 1 37 113 4181 6271 232027 708623 26219051