Search a number
-
+
26457601 = 316531307
BaseRepresentation
bin110010011101…
…1011000000001
31211210012000011
41210323120001
523233120401
62343024521
7440612602
oct144733001
954705004
1026457601
1113a30a95
128a3b141
1356347b1
143729da9
1524c9451
hex193b601

26457601 has 8 divisors (see below), whose sum is σ = 27373824. Its totient is φ = 25545360.

The previous prime is 26457589. The next prime is 26457617. The reversal of 26457601 is 10675462.

It is a happy number.

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

It is not a de Polignac number, because 26457601 - 29 = 26457089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26457631) 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 7 ways as a sum of consecutive naturals, for example, 19590 + ... + 20896.

It is an arithmetic number, because the mean of its divisors is an integer number (3421728).

Almost surely, 226457601 is an apocalyptic number.

It is an amenable number.

26457601 is a deficient number, since it is larger than the sum of its proper divisors (916223).

26457601 is a wasteful number, since it uses less digits than its factorization.

26457601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 26457601 is about 5143.6952670235. The cubic root of 26457601 is about 297.9775105770.

26457601 divided by its sum of digits (31) gives a triangular number (853471 = T1306).

The spelling of 26457601 in words is "twenty-six million, four hundred fifty-seven thousand, six hundred one".

Divisors: 1 31 653 1307 20243 40517 853471 26457601