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20033048 = 237357733
BaseRepresentation
bin100110001101…
…0111000011000
31101200210011202
41030122320120
520112024143
61553213332
7332164250
oct114327030
941623152
1020033048
1110343142
126861248
1341c5499
142936960
151b5aab8
hex131ae18

20033048 has 16 divisors (see below), whose sum is σ = 42928080. Its totient is φ = 8585568.

The previous prime is 20033029. The next prime is 20033053. The reversal of 20033048 is 84033002.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 178811 + ... + 178922.

It is an arithmetic number, because the mean of its divisors is an integer number (2683005).

Almost surely, 220033048 is an apocalyptic number.

20033048 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

20033048 is an abundant number, since it is smaller than the sum of its proper divisors (22895032).

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

20033048 is a wasteful number, since it uses less digits than its factorization.

20033048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357746 (or 357742 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 20033048 is about 4475.8293086310. The cubic root of 20033048 is about 271.5911895072.

The spelling of 20033048 in words is "twenty million, thirty-three thousand, forty-eight".

Divisors: 1 2 4 7 8 14 28 56 357733 715466 1430932 2504131 2861864 5008262 10016524 20033048