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26280093 = 371251433
BaseRepresentation
bin110010001000…
…0000010011101
31211110011111210
41210100002131
523211430333
62335135033
7436243230
oct144200235
954404453
1026280093
111391a694
128974479
1355a1a68
1436c1417
152491a63
hex191009d

26280093 has 8 divisors (see below), whose sum is σ = 40045888. Its totient is φ = 15017184.

The previous prime is 26280091. The next prime is 26280127. The reversal of 26280093 is 39008262.

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

It is not a de Polignac number, because 26280093 - 21 = 26280091 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 26280093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26280091) 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, 625696 + ... + 625737.

It is an arithmetic number, because the mean of its divisors is an integer number (5005736).

Almost surely, 226280093 is an apocalyptic number.

It is an amenable number.

26280093 is a deficient number, since it is larger than the sum of its proper divisors (13765795).

26280093 is a wasteful number, since it uses less digits than its factorization.

26280093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1251443.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 26280093 is about 5126.4113178714. The cubic root of 26280093 is about 297.3096228029.

The spelling of 26280093 in words is "twenty-six million, two hundred eighty thousand, ninety-three".

Divisors: 1 3 7 21 1251433 3754299 8760031 26280093