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20055152 = 241396419
BaseRepresentation
bin100110010000…
…0010001110000
31101201220111102
41030200101300
520113231102
61553503532
7332315555
oct114402160
941656442
1020055152
1110358807
126871ba8
134202570
142940a2c
151b62402
hex1320470

20055152 has 20 divisors (see below), whose sum is σ = 41846280. Its totient is φ = 9256128.

The previous prime is 20055143. The next prime is 20055173. The reversal of 20055152 is 25155002.

20055152 is nontrivially palindromic in base 5.

It is a super-3 number, since 3×200551523 (a number of 23 digits) contains 333 as substring.

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, 48002 + ... + 48417.

It is an arithmetic number, because the mean of its divisors is an integer number (2092314).

Almost surely, 220055152 is an apocalyptic number.

It is an amenable number.

20055152 is an abundant number, since it is smaller than the sum of its proper divisors (21791128).

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

20055152 is a wasteful number, since it uses less digits than its factorization.

20055152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96440 (or 96434 counting only the distinct ones).

The product of its (nonzero) digits is 500, while the sum is 20.

The square root of 20055152 is about 4478.2978909403. The cubic root of 20055152 is about 271.6910419286.

The spelling of 20055152 in words is "twenty million, fifty-five thousand, one hundred fifty-two".

Divisors: 1 2 4 8 13 16 26 52 104 208 96419 192838 385676 771352 1253447 1542704 2506894 5013788 10027576 20055152