Search a number
-
+
26287402 = 213994559
BaseRepresentation
bin110010001000…
…1110100101010
31211110112112111
41210101310222
523212144102
62335232534
7436303441
oct144216452
954415474
1026287402
1113925129
12897874a
1355a519b
1436c3d58
152493cd7
hex1911d2a

26287402 has 8 divisors (see below), whose sum is σ = 39715200. Its totient is φ = 13049004.

The previous prime is 26287399. The next prime is 26287409. The reversal of 26287402 is 20478262.

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 (26287409) 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 3 ways as a sum of consecutive naturals, for example, 47002 + ... + 47557.

It is an arithmetic number, because the mean of its divisors is an integer number (4964400).

Almost surely, 226287402 is an apocalyptic number.

26287402 is a deficient number, since it is larger than the sum of its proper divisors (13427798).

26287402 is a wasteful number, since it uses less digits than its factorization.

26287402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94700.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 26287402 is about 5127.1241451714. The cubic root of 26287402 is about 297.3371827588.

The spelling of 26287402 in words is "twenty-six million, two hundred eighty-seven thousand, four hundred two".

Divisors: 1 2 139 278 94559 189118 13143701 26287402