Search a number
-
+
153012042 = 23226931601
BaseRepresentation
bin10010001111011…
…00011101001010
3101122220211001200
421013230131022
5303132341132
623103325030
73535403151
oct1107543512
9348824050
10153012042
117940a237
12432b0776
1325914b91
1416470598
15d676d7c
hex91ec74a

153012042 has 24 divisors (see below), whose sum is σ = 332769060. Its totient is φ = 50812800.

The previous prime is 153012037. The next prime is 153012047. The reversal of 153012042 is 240210351.

153012042 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (153012037) and next prime (153012047).

It can be written as a sum of positive squares in 2 ways, for example, as 152992161 + 19881 = 12369^2 + 141^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (153012047) 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, 10959 + ... + 20642.

Almost surely, 2153012042 is an apocalyptic number.

153012042 is an abundant number, since it is smaller than the sum of its proper divisors (179757018).

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

153012042 is a wasteful number, since it uses less digits than its factorization.

153012042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31878 (or 31875 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 153012042 is about 12369.8036362749. The cubic root of 153012042 is about 534.8621556537.

Adding to 153012042 its reverse (240210351), we get a palindrome (393222393).

The spelling of 153012042 in words is "one hundred fifty-three million, twelve thousand, forty-two".

Divisors: 1 2 3 6 9 18 269 538 807 1614 2421 4842 31601 63202 94803 189606 284409 568818 8500669 17001338 25502007 51004014 76506021 153012042