Search a number
-
+
26990444 = 2213975351
BaseRepresentation
bin110011011110…
…1011101101100
31212210020221002
41212331131230
523402143234
62402255432
7445262225
oct146753554
955706832
1026990444
1114265358
129057578
1357901a0
14382824c
15258227e
hex19bd76c

26990444 has 24 divisors (see below), whose sum is σ = 51400608. Its totient is φ = 12326400.

The previous prime is 26990413. The next prime is 26990459. The reversal of 26990444 is 44409962.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 26990398 and 26990407.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2369 + ... + 7719.

It is an arithmetic number, because the mean of its divisors is an integer number (2141692).

Almost surely, 226990444 is an apocalyptic number.

It is an amenable number.

26990444 is a deficient number, since it is larger than the sum of its proper divisors (24410164).

26990444 is a wasteful number, since it uses less digits than its factorization.

26990444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5465 (or 5463 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 26990444 is about 5195.2328148024. The cubic root of 26990444 is about 299.9646032311.

The spelling of 26990444 in words is "twenty-six million, nine hundred ninety thousand, four hundred forty-four".

Divisors: 1 2 4 13 26 52 97 194 388 1261 2522 5044 5351 10702 21404 69563 139126 278252 519047 1038094 2076188 6747611 13495222 26990444