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255115152 = 24321771633
BaseRepresentation
bin11110011010010…
…11111110010000
3122210001012012100
433031023332100
51010302141102
641152000400
76215304645
oct1715137620
9583035170
10255115152
11121007876
1271530100
1340b13a16
1425c4bdcc
15175e4a1c
hexf34bf90

255115152 has 30 divisors (see below), whose sum is σ = 713968502. Its totient is φ = 85038336.

The previous prime is 255115139. The next prime is 255115153. The reversal of 255115152 is 251511552.

It can be written as a sum of positive squares in only one way, i.e., 186158736 + 68956416 = 13644^2 + 8304^2 .

It is not an unprimeable number, because it can be changed into a prime (255115153) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 885673 + ... + 885960.

Almost surely, 2255115152 is an apocalyptic number.

It is an amenable number.

255115152 is an abundant number, since it is smaller than the sum of its proper divisors (458853350).

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

255115152 is a wasteful number, since it uses less digits than its factorization.

255115152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771647 (or 1771638 counting only the distinct ones).

The product of its digits is 2500, while the sum is 27.

The square root of 255115152 is about 15972.3245646963. The cubic root of 255115152 is about 634.2280092900.

The spelling of 255115152 in words is "two hundred fifty-five million, one hundred fifteen thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 1771633 3543266 5314899 7086532 10629798 14173064 15944697 21259596 28346128 31889394 42519192 63778788 85038384 127557576 255115152