Search a number
-
+
26453381 = 238912923
BaseRepresentation
bin110010011101…
…0010110000101
31211202222012212
41210322112011
523233002011
62342553205
7440564363
oct144722605
954688185
1026453381
1113a288a9
128a38805
1356328b6
143728633
1524c808b
hex193a585

26453381 has 8 divisors (see below), whose sum is σ = 27915840. Its totient is φ = 25016992.

The previous prime is 26453369. The next prime is 26453389. The reversal of 26453381 is 18335462.

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-26453381 is a prime.

It is a super-2 number, since 2×264533812 = 1399562732662322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26453389) 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, 4415 + ... + 8508.

It is an arithmetic number, because the mean of its divisors is an integer number (3489480).

Almost surely, 226453381 is an apocalyptic number.

It is an amenable number.

26453381 is a deficient number, since it is larger than the sum of its proper divisors (1462459).

26453381 is a wasteful number, since it uses less digits than its factorization.

26453381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13035.

The product of its digits is 17280, while the sum is 32.

The square root of 26453381 is about 5143.2850397387. The cubic root of 26453381 is about 297.9616672162.

The spelling of 26453381 in words is "twenty-six million, four hundred fifty-three thousand, three hundred eighty-one".

Divisors: 1 23 89 2047 12923 297229 1150147 26453381