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152983008 = 25322831877
BaseRepresentation
bin10010001111001…
…01010111100000
3101122212100020100
421013211113200
5303130424013
623102542400
73535222413
oct1107452740
9348770210
10152983008
117939a442
1243297a00
13259048b9
1416463b7a
15d66d473
hex91e55e0

152983008 has 72 divisors (see below), whose sum is σ = 436815288. Its totient is φ = 50787072.

The previous prime is 152982997. The next prime is 152983009. The reversal of 152983008 is 800389251.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152983009) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 80566 + ... + 82442.

It is an arithmetic number, because the mean of its divisors is an integer number (6066879).

Almost surely, 2152983008 is an apocalyptic number.

152983008 is a gapful number since it is divisible by the number (18) 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 152983008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218407644).

152983008 is an abundant number, since it is smaller than the sum of its proper divisors (283832280).

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

152983008 is a wasteful number, since it uses less digits than its factorization.

152983008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176 (or 2165 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 152983008 is about 12368.6299968913. The cubic root of 152983008 is about 534.8283235231.

The spelling of 152983008 in words is "one hundred fifty-two million, nine hundred eighty-three thousand, eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 72 96 144 283 288 566 849 1132 1698 1877 2264 2547 3396 3754 4528 5094 5631 6792 7508 9056 10188 11262 13584 15016 16893 20376 22524 27168 30032 33786 40752 45048 60064 67572 81504 90096 135144 180192 270288 531191 540576 1062382 1593573 2124764 3187146 4249528 4780719 6374292 8499056 9561438 12748584 16998112 19122876 25497168 38245752 50994336 76491504 152983008