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152023043 = 953915937
BaseRepresentation
bin10010000111110…
…11000000000011
3101121001120102002
421003323000003
5302404214133
623030214215
73524113604
oct1103730003
9347046362
10152023043
11788a4187
1242ab436b
1325659983
1416293dab
15d52dce8
hex90fb003

152023043 has 4 divisors (see below), whose sum is σ = 152048520. Its totient is φ = 151997568.

The previous prime is 152023033. The next prime is 152023057. The reversal of 152023043 is 340320251.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340320251 = 829410519.

It is a cyclic number.

It is not a de Polignac number, because 152023043 - 218 = 151760899 is a prime.

It is a super-2 number, since 2×1520230432 = 46222011205959698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152023033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1571 + ... + 17507.

It is an arithmetic number, because the mean of its divisors is an integer number (38012130).

Almost surely, 2152023043 is an apocalyptic number.

152023043 is a deficient number, since it is larger than the sum of its proper divisors (25477).

152023043 is an equidigital number, since it uses as much as digits as its factorization.

152023043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25476.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 152023043 is about 12329.7624875745. The cubic root of 152023043 is about 533.7072967936.

Adding to 152023043 its reverse (340320251), we get a palindrome (492343294).

The spelling of 152023043 in words is "one hundred fifty-two million, twenty-three thousand, forty-three".

Divisors: 1 9539 15937 152023043