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26680974 = 234446829
BaseRepresentation
bin110010111000…
…1111010001110
31212012112102020
41211301322032
523312242344
62351511010
7442533045
oct145617216
955175366
1026680974
11140738a1
128b28466
1356b2378
14378755c
152520719
hex1971e8e

26680974 has 8 divisors (see below), whose sum is σ = 53361960. Its totient is φ = 8893656.

The previous prime is 26680963. The next prime is 26680991. The reversal of 26680974 is 47908662.

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

26680974 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2223409 + ... + 2223420.

It is an arithmetic number, because the mean of its divisors is an integer number (6670245).

Almost surely, 226680974 is an apocalyptic number.

26680974 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26680974 is a wasteful number, since it uses less digits than its factorization.

26680974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4446834.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 26680974 is about 5165.3629107740. The cubic root of 26680974 is about 298.8137376773.

The spelling of 26680974 in words is "twenty-six million, six hundred eighty thousand, nine hundred seventy-four".

Divisors: 1 2 3 6 4446829 8893658 13340487 26680974