Search a number
-
+
153090450 = 23252340201
BaseRepresentation
bin10010001111111…
…11100110010010
3101200001210121200
421013333212102
5303142343300
623105132030
73536150562
oct1107774622
9350053550
10153090450
1179463137
124332a016
1325941786
1416490da2
15d690200
hex91ff992

153090450 has 36 divisors (see below), whose sum is σ = 411304218. Its totient is φ = 40824000.

The previous prime is 153090409. The next prime is 153090451. The reversal of 153090450 is 54090351.

153090450 is a `hidden beast` number, since 1 + 530 + 90 + 45 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 84879369 + 68211081 = 9213^2 + 8259^2 .

It is not an unprimeable number, because it can be changed into a prime (153090451) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 169651 + ... + 170550.

Almost surely, 2153090450 is an apocalyptic number.

153090450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153090450 is an abundant number, since it is smaller than the sum of its proper divisors (258213768).

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

153090450 is a wasteful number, since it uses less digits than its factorization.

153090450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340219 (or 340211 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 153090450 is about 12372.9725611916. The cubic root of 153090450 is about 534.9534999035.

Subtracting from 153090450 its reverse (54090351), we obtain a palindrome (99000099).

The spelling of 153090450 in words is "one hundred fifty-three million, ninety thousand, four hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 340201 680402 1020603 1701005 2041206 3061809 3402010 5103015 6123618 8505025 10206030 15309045 17010050 25515075 30618090 51030150 76545225 153090450