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26298961 = 1312911567
BaseRepresentation
bin110010001010…
…0101001010001
31211111010101121
41210110221101
523213031321
62335402241
7436352233
oct144245121
954433347
1026298961
1113932887
128983381
1355aa520
1436c8253
152497441
hex1914a51

26298961 has 8 divisors (see below), whose sum is σ = 28361984. Its totient is φ = 24241680.

The previous prime is 26298953. The next prime is 26298967. The reversal of 26298961 is 16989262.

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

It is a cyclic number.

It is not a de Polignac number, because 26298961 - 23 = 26298953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26298967) 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, 16000 + ... + 17566.

It is an arithmetic number, because the mean of its divisors is an integer number (3545248).

Almost surely, 226298961 is an apocalyptic number.

It is an amenable number.

26298961 is a deficient number, since it is larger than the sum of its proper divisors (2063023).

26298961 is a wasteful number, since it uses less digits than its factorization.

26298961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2871.

The product of its digits is 93312, while the sum is 43.

The square root of 26298961 is about 5128.2512613951. The cubic root of 26298961 is about 297.3807577110.

The spelling of 26298961 in words is "twenty-six million, two hundred ninety-eight thousand, nine hundred sixty-one".

Divisors: 1 13 1291 1567 16783 20371 2022997 26298961