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152500320 = 253457412
BaseRepresentation
bin10010001011011…
…11100001100000
3101121221211010000
421011233201200
5303020002240
623044340000
73531142230
oct1105574140
9347854100
10152500320
117909a825
12430a4600
1325795c9b
1416379cc0
15d5c5430
hex916f860

152500320 has 360 divisors, whose sum is σ = 630452592. Its totient is φ = 34007040.

The previous prime is 152500307. The next prime is 152500331. The reversal of 152500320 is 23005251.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is a junction number, because it is equal to n+sod(n) for n = 152500293 and 152500302.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 3719500 + ... + 3719540.

Almost surely, 2152500320 is an apocalyptic number.

152500320 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 152500320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315226296).

152500320 is an abundant number, since it is smaller than the sum of its proper divisors (477952272).

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

152500320 is an equidigital number, since it uses as much as digits as its factorization.

152500320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 58 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 152500320 is about 12349.1019916430. The cubic root of 152500320 is about 534.2652387676.

Adding to 152500320 its reverse (23005251), we get a palindrome (175505571).

The spelling of 152500320 in words is "one hundred fifty-two million, five hundred thousand, three hundred twenty".