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2154250152 = 2332291031729
BaseRepresentation
bin1000000001100111…
…0011111110101000
312120010121020122200
42000121303332220
513402442001102
6553433020200
7104245552455
oct20031637650
95503536580
102154250152
11a0602202a
12501554660
13284403942
1416616c82c
15c91d151c
hex80673fa8

2154250152 has 48 divisors (see below), whose sum is σ = 6035620500. Its totient is φ = 693321216.

The previous prime is 2154250139. The next prime is 2154250159. The reversal of 2154250152 is 2510524512.

2154250152 is a `hidden beast` number, since 2 + 154 + 2 + 501 + 5 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2100755556 + 53494596 = 45834^2 + 7314^2 .

It is not an unprimeable number, because it can be changed into a prime (2154250159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 513777 + ... + 517952.

Almost surely, 22154250152 is an apocalyptic number.

It is an amenable number.

2154250152 is an abundant number, since it is smaller than the sum of its proper divisors (3881370348).

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

2154250152 is a wasteful number, since it uses less digits than its factorization.

2154250152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031770 (or 1031763 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 27.

The square root of 2154250152 is about 46413.9004178705. The cubic root of 2154250152 is about 1291.5127880807.

Adding to 2154250152 its reverse (2510524512), we get a palindrome (4664774664).

The spelling of 2154250152 in words is "two billion, one hundred fifty-four million, two hundred fifty thousand, one hundred fifty-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 29 36 58 72 87 116 174 232 261 348 522 696 1044 2088 1031729 2063458 3095187 4126916 6190374 8253832 9285561 12380748 18571122 24761496 29920141 37142244 59840282 74284488 89760423 119680564 179520846 239361128 269281269 359041692 538562538 718083384 1077125076 2154250152