Search a number
-
+
152343040 = 29559509
BaseRepresentation
bin10010001010010…
…01001000000000
3101121122211100211
421011021020000
5302444434130
623041123504
73526615543
oct1105111000
9347584324
10152343040
1178aa2643
1243029594
132573c515
141633885a
15d593a2a
hex9149200

152343040 has 40 divisors (see below), whose sum is σ = 365272380. Its totient is φ = 60936192.

The previous prime is 152343031. The next prime is 152343049. The reversal of 152343040 is 40343251.

It is an interprime number because it is at equal distance from previous prime (152343031) and next prime (152343049).

It can be written as a sum of positive squares in 2 ways, for example, as 133818624 + 18524416 = 11568^2 + 4304^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (152343049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27195 + ... + 32314.

Almost surely, 2152343040 is an apocalyptic number.

152343040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

152343040 is an abundant number, since it is smaller than the sum of its proper divisors (212929340).

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

152343040 is an frugal number, since it uses more digits than its factorization.

152343040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59532 (or 59516 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 152343040 is about 12342.7322745007. The cubic root of 152343040 is about 534.0815055118.

Adding to 152343040 its reverse (40343251), we get a palindrome (192686291).

The spelling of 152343040 in words is "one hundred fifty-two million, three hundred forty-three thousand, forty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1280 2560 59509 119018 238036 297545 476072 595090 952144 1190180 1904288 2380360 3808576 4760720 7617152 9521440 15234304 19042880 30468608 38085760 76171520 152343040