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147443040 = 253251719317
BaseRepresentation
bin10001100100111…
…00110101100000
3101021102212211100
420302130311200
5300221134130
622344114400
73440150043
oct1062346540
9337385740
10147443040
1176256158
1241465a00
1324715104
1415820c5a
15ce26c60
hex8c9cd60

147443040 has 288 divisors, whose sum is σ = 562554720. Its totient is φ = 34947072.

The previous prime is 147443033. The next prime is 147443053. The reversal of 147443040 is 40344741.

It is a tau number, because it is divible by the number of its divisors (288).

It is a junction number, because it is equal to n+sod(n) for n = 147442995 and 147443013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 464962 + ... + 465278.

It is an arithmetic number, because the mean of its divisors is an integer number (1953315).

Almost surely, 2147443040 is an apocalyptic number.

147443040 is a gapful number since it is divisible by the number (10) 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 147443040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281277360).

147443040 is an abundant number, since it is smaller than the sum of its proper divisors (415111680).

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

147443040 is a wasteful number, since it uses less digits than its factorization.

147443040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 147443040 is about 12142.6125689655. The cubic root of 147443040 is about 528.2928815857.

Adding to 147443040 its reverse (40344741), we get a palindrome (187787781).

The spelling of 147443040 in words is "one hundred forty-seven million, four hundred forty-three thousand, forty".