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153210240 = 2732567397
BaseRepresentation
bin10010010000111…
…00110110000000
3101200021212221100
421020130312000
5303210211430
623111454400
73540160041
oct1110346600
9350255840
10153210240
1179535137
1243387400
1325984161
14164c28c8
15d6b5960
hex921cd80

153210240 has 192 divisors, whose sum is σ = 538302960. Its totient is φ = 40144896.

The previous prime is 153210193. The next prime is 153210263. The reversal of 153210240 is 42012351.

153210240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 385722 + ... + 386118.

Almost surely, 2153210240 is an apocalyptic number.

153210240 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 153210240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269151480).

153210240 is an abundant number, since it is smaller than the sum of its proper divisors (385092720).

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

153210240 is a wasteful number, since it uses less digits than its factorization.

153210240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 474 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 153210240 is about 12377.8124076914. The cubic root of 153210240 is about 535.0929934137.

Adding to 153210240 its reverse (42012351), we get a palindrome (195222591).

The spelling of 153210240 in words is "one hundred fifty-three million, two hundred ten thousand, two hundred forty".