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153808041 = 351269347
BaseRepresentation
bin10010010101011…
…10110010101001
3101201102020222010
421022232302221
5303333324131
623132350133
73545226642
oct1112566251
9351366863
10153808041
1179903292
1243615349
1325b3329a
14165da6c9
15d782b46
hex92aeca9

153808041 has 4 divisors (see below), whose sum is σ = 205077392. Its totient is φ = 102538692.

The previous prime is 153807989. The next prime is 153808043. The reversal of 153808041 is 140808351.

153808041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140808351 = 346936117.

It is not a de Polignac number, because 153808041 - 26 = 153807977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (153808043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25634671 + ... + 25634676.

It is an arithmetic number, because the mean of its divisors is an integer number (51269348).

Almost surely, 2153808041 is an apocalyptic number.

It is an amenable number.

153808041 is a deficient number, since it is larger than the sum of its proper divisors (51269351).

153808041 is an equidigital number, since it uses as much as digits as its factorization.

153808041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51269350.

The product of its (nonzero) digits is 3840, while the sum is 30.

The square root of 153808041 is about 12401.9369858099. The cubic root of 153808041 is about 535.7880383132.

The spelling of 153808041 in words is "one hundred fifty-three million, eight hundred eight thousand, forty-one".

Divisors: 1 3 51269347 153808041