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153342720 = 283551729
BaseRepresentation
bin10010010001111…
…01001100000000
3101200112121200000
421020331030000
5303223431340
623114400000
73541251216
oct1110751400
9350477600
10153342720
1179615723
1243430000
13259cc54b
1416518cb6
15d6ded30
hex923d300

153342720 has 432 divisors, whose sum is σ = 602652960. Its totient is φ = 37158912.

The previous prime is 153342697. The next prime is 153342731. The reversal of 153342720 is 27243351.

It is a tau number, because it is divible by the number of its divisors (432).

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 5287666 + ... + 5287694.

It is an arithmetic number, because the mean of its divisors is an integer number (1395030).

Almost surely, 2153342720 is an apocalyptic number.

153342720 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 153342720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301326480).

153342720 is an abundant number, since it is smaller than the sum of its proper divisors (449310240).

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

153342720 is an equidigital number, since it uses as much as digits as its factorization.

153342720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 153342720 is about 12383.1627623964. The cubic root of 153342720 is about 535.2471795767.

It can be divided in two parts, 1533 and 42720, that added together give a triangular number (44253 = T297).

The spelling of 153342720 in words is "one hundred fifty-three million, three hundred forty-two thousand, seven hundred twenty".