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26150061 = 371965539
BaseRepresentation
bin110001111000…
…0010010101101
31211012120010210
41203300102231
523143300221
62332253033
7435162150
oct143602255
954176123
1026150061
1113840a23
128911179
135557812
143689c97
152468276
hex18f04ad

26150061 has 16 divisors (see below), whose sum is σ = 41945600. Its totient is φ = 14156208.

The previous prime is 26150053. The next prime is 26150093. The reversal of 26150061 is 16005162.

It is a happy number.

It is not a de Polignac number, because 26150061 - 23 = 26150053 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26150461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32371 + ... + 33168.

It is an arithmetic number, because the mean of its divisors is an integer number (2621600).

Almost surely, 226150061 is an apocalyptic number.

26150061 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

26150061 is a deficient number, since it is larger than the sum of its proper divisors (15795539).

26150061 is a wasteful number, since it uses less digits than its factorization.

26150061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65568.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 26150061 is about 5113.7130345767. The cubic root of 26150061 is about 296.8184563189.

The spelling of 26150061 in words is "twenty-six million, one hundred fifty thousand, sixty-one".

Divisors: 1 3 7 19 21 57 133 399 65539 196617 458773 1245241 1376319 3735723 8716687 26150061