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151751530 = 2572615077
BaseRepresentation
bin10010000101110…
…00101101101010
3101120112202222001
421002320231222
5302322022110
623020321214
73521603200
oct1102705552
9346482861
10151751530
1178729197
12429a320a
1325593208
1416223070
15d4c863a
hex90b8b6a

151751530 has 48 divisors (see below), whose sum is σ = 323021736. Its totient is φ = 51166080.

The previous prime is 151751513. The next prime is 151751531. The reversal of 151751530 is 35157151.

It can be written as a sum of positive squares in 4 ways, for example, as 122168809 + 29582721 = 11053^2 + 5439^2 .

It is not an unprimeable number, because it can be changed into a prime (151751531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27352 + ... + 32428.

Almost surely, 2151751530 is an apocalyptic number.

151751530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

151751530 is an abundant number, since it is smaller than the sum of its proper divisors (171270206).

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

151751530 is a wasteful number, since it uses less digits than its factorization.

151751530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5159 (or 5152 counting only the distinct ones).

The product of its (nonzero) digits is 2625, while the sum is 28.

The square root of 151751530 is about 12318.7470953827. The cubic root of 151751530 is about 533.3893738856.

The spelling of 151751530 in words is "one hundred fifty-one million, seven hundred fifty-one thousand, five hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 61 70 98 122 245 305 427 490 610 854 2135 2989 4270 5077 5978 10154 14945 25385 29890 35539 50770 71078 177695 248773 309697 355390 497546 619394 1243865 1548485 2167879 2487730 3096970 4335758 10839395 15175153 21678790 30350306 75875765 151751530