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655150080 = 210351317193
BaseRepresentation
bin100111000011001…
…100110000000000
31200122210001221210
4213003030300000
52320204300310
6145002050120
722143453354
oct4703146000
91618701853
10655150080
113068a6a52
121634a9940
13a5968190
1463021464
153c7b3820
hex270ccc00

655150080 has 352 divisors, whose sum is σ = 2401769664. Its totient is φ = 150994944.

The previous prime is 655150073. The next prime is 655150087. The reversal of 655150080 is 80051556.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (655150073) and next prime (655150087).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (655150087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3394464 + ... + 3394656.

Almost surely, 2655150080 is an apocalyptic number.

655150080 is a gapful number since it is divisible by the number (60) 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 655150080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1200884832).

655150080 is an abundant number, since it is smaller than the sum of its proper divisors (1746619584).

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

655150080 is a wasteful number, since it uses less digits than its factorization.

655150080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 30.

The square root of 655150080 is about 25595.8996716271. The cubic root of 655150080 is about 868.5208848045.

The spelling of 655150080 in words is "six hundred fifty-five million, one hundred fifty thousand, eighty".