Search a number
-
+
26034381 = 324761547
BaseRepresentation
bin110001101010…
…0000011001101
31210222200110100
41203110003031
523131100011
62330001313
7434200662
oct143240315
953880410
1026034381
111377201a
128876239
135516c79
143659a69
152443d56
hex18d40cd

26034381 has 12 divisors (see below), whose sum is σ = 38405952. Its totient is φ = 16986696.

The previous prime is 26034377. The next prime is 26034397. The reversal of 26034381 is 18343062.

It is a happy number.

It is not a de Polignac number, because 26034381 - 22 = 26034377 is a prime.

It is a super-2 number, since 2×260343812 = 1355577988106322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26034301) 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 11 ways as a sum of consecutive naturals, for example, 30351 + ... + 31196.

It is an arithmetic number, because the mean of its divisors is an integer number (3200496).

Almost surely, 226034381 is an apocalyptic number.

It is an amenable number.

26034381 is a deficient number, since it is larger than the sum of its proper divisors (12371571).

26034381 is a wasteful number, since it uses less digits than its factorization.

26034381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61600 (or 61597 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 26034381 is about 5102.3897342324. The cubic root of 26034381 is about 296.3801308344.

The spelling of 26034381 in words is "twenty-six million, thirty-four thousand, three hundred eighty-one".

Divisors: 1 3 9 47 141 423 61547 184641 553923 2892709 8678127 26034381