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45988128 = 25331731101
BaseRepresentation
bin1010111101101…
…1100100100000
310012112102212000
42233123210200
543233110003
64321404000
71065615114
oct257334440
9105472760
1045988128
1123a6061a
1213499600
1396b2314
146171744
1540861a3
hex2bdb920

45988128 has 192 divisors, whose sum is σ = 148055040. Its totient is φ = 13824000.

The previous prime is 45988093. The next prime is 45988133. The reversal of 45988128 is 82188954.

It is a happy number.

45988128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×459881282 = 4229815833888768, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455278 + ... + 455378.

It is an arithmetic number, because the mean of its divisors is an integer number (771120).

Almost surely, 245988128 is an apocalyptic number.

45988128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45988128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74027520).

45988128 is an abundant number, since it is smaller than the sum of its proper divisors (102066912).

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

45988128 is a wasteful number, since it uses less digits than its factorization.

45988128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 154 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 45988128 is about 6781.4547111958. The cubic root of 45988128 is about 358.2739598521.

The spelling of 45988128 in words is "forty-five million, nine hundred eighty-eight thousand, one hundred twenty-eight".