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153203430 = 2355106781
BaseRepresentation
bin10010010000110…
…11001011100110
3101200021112121010
421020123023212
5303210002210
623111403050
73540131142
oct1110331346
9350245533
10153203430
1179530006
1243383486
1325981023
14164c0222
15d6b3920
hex921b2e6

153203430 has 16 divisors (see below), whose sum is σ = 367688304. Its totient is φ = 40854240.

The previous prime is 153203423. The next prime is 153203431. The reversal of 153203430 is 34302351.

It is a junction number, because it is equal to n+sod(n) for n = 153203397 and 153203406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (153203431) 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 7 ways as a sum of consecutive naturals, for example, 2553361 + ... + 2553420.

It is an arithmetic number, because the mean of its divisors is an integer number (22980519).

Almost surely, 2153203430 is an apocalyptic number.

153203430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

153203430 is an abundant number, since it is smaller than the sum of its proper divisors (214484874).

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

153203430 is a wasteful number, since it uses less digits than its factorization.

153203430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5106791.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 153203430 is about 12377.5373156375. The cubic root of 153203430 is about 535.0850652289.

Adding to 153203430 its reverse (34302351), we get a palindrome (187505781).

The spelling of 153203430 in words is "one hundred fifty-three million, two hundred three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 5106781 10213562 15320343 25533905 30640686 51067810 76601715 153203430