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26220768 = 253739019
BaseRepresentation
bin110010000000…
…1100011100000
31211100011010120
41210001203200
523203031033
62334000240
7435605250
oct144014340
954304116
1026220768
111388a062
128946080
135580a62
1436a7960
15247e1b3
hex19018e0

26220768 has 48 divisors (see below), whose sum is σ = 78664320. Its totient is φ = 7491456.

The previous prime is 26220763. The next prime is 26220773. The reversal of 26220768 is 86702262.

It is an interprime number because it is at equal distance from previous prime (26220763) and next prime (26220773).

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26220763) 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, 18838 + ... + 20181.

It is an arithmetic number, because the mean of its divisors is an integer number (1638840).

Almost surely, 226220768 is an apocalyptic number.

26220768 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

26220768 is an abundant number, since it is smaller than the sum of its proper divisors (52443552).

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

26220768 is a wasteful number, since it uses less digits than its factorization.

26220768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39039 (or 39031 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 26220768 is about 5120.6218372381. The cubic root of 26220768 is about 297.0857374709.

The spelling of 26220768 in words is "twenty-six million, two hundred twenty thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 39019 78038 117057 156076 234114 273133 312152 468228 546266 624304 819399 936456 1092532 1248608 1638798 1872912 2185064 3277596 3745824 4370128 6555192 8740256 13110384 26220768