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5450987672 = 23131923315373
BaseRepresentation
bin1010001001110011…
…10111100010011000
3112001212222212100022
411010321313202120
542130423101142
62300521330012
7252036426224
oct50471674230
915055885308
105450987672
112347a38799
121081636908
1368b412cc0
14399d39784
1521d83c6d2
hex144e77898

5450987672 has 256 divisors, whose sum is σ = 12889497600. Its totient is φ = 2134978560.

The previous prime is 5450987657. The next prime is 5450987681. The reversal of 5450987672 is 2767890545.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74671028 + ... + 74671100.

It is an arithmetic number, because the mean of its divisors is an integer number (50349600).

Almost surely, 25450987672 is an apocalyptic number.

5450987672 is a gapful number since it is divisible by the number (52) 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 5450987672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6444748800).

5450987672 is an abundant number, since it is smaller than the sum of its proper divisors (7438509928).

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

5450987672 is a wasteful number, since it uses less digits than its factorization.

5450987672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 53.

The square root of 5450987672 is about 73830.8043569891. The cubic root of 5450987672 is about 1759.9151637827.

The spelling of 5450987672 in words is "five billion, four hundred fifty million, nine hundred eighty-seven thousand, six hundred seventy-two".