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26772828 = 2232397003
BaseRepresentation
bin110011000100…
…0010101011100
31212101012102020
41212020111130
523323212303
62353500140
7443364615
oct146102534
955335366
1026772828
1114126905
128b71650
135715114
1437acc0c
15253ca53
hex198855c

26772828 has 24 divisors (see below), whose sum is σ = 65186688. Its totient is φ = 8536176.

The previous prime is 26772827. The next prime is 26772833. The reversal of 26772828 is 82827762.

It is a self number, because there is not a number n which added to its sum of digits gives 26772828.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26772827) 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, 48226 + ... + 48777.

It is an arithmetic number, because the mean of its divisors is an integer number (2716112).

Almost surely, 226772828 is an apocalyptic number.

It is an amenable number.

26772828 is an abundant number, since it is smaller than the sum of its proper divisors (38413860).

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

26772828 is a wasteful number, since it uses less digits than its factorization.

26772828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97033 (or 97031 counting only the distinct ones).

The product of its digits is 150528, while the sum is 42.

The square root of 26772828 is about 5174.2466118267. The cubic root of 26772828 is about 299.1562514080.

The spelling of 26772828 in words is "twenty-six million, seven hundred seventy-two thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 97003 194006 291009 388012 582018 1164036 2231069 4462138 6693207 8924276 13386414 26772828