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152521041 = 350840347
BaseRepresentation
bin10010001011101…
…00100101010001
3101121222212112110
421011310211101
5303021133131
623045015533
73531256521
oct1105644521
9347885473
10152521041
1179104352
12430b45a9
13257a254a
1416383681
15d5cb646
hex9174951

152521041 has 4 divisors (see below), whose sum is σ = 203361392. Its totient is φ = 101680692.

The previous prime is 152521021. The next prime is 152521079. The reversal of 152521041 is 140125251.

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.

It is not a de Polignac number, because 152521041 - 213 = 152512849 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152520999 and 152521017.

It is not an unprimeable number, because it can be changed into a prime (152521001) 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, 25420171 + ... + 25420176.

It is an arithmetic number, because the mean of its divisors is an integer number (50840348).

Almost surely, 2152521041 is an apocalyptic number.

It is an amenable number.

152521041 is a deficient number, since it is larger than the sum of its proper divisors (50840351).

152521041 is an equidigital number, since it uses as much as digits as its factorization.

152521041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50840350.

The product of its (nonzero) digits is 400, while the sum is 21.

The square root of 152521041 is about 12349.9409310328. The cubic root of 152521041 is about 534.2894354571.

Adding to 152521041 its reverse (140125251), we get a palindrome (292646292).

It can be divided in two parts, 1525210 and 41, that added together give a palindrome (1525251).

The spelling of 152521041 in words is "one hundred fifty-two million, five hundred twenty-one thousand, forty-one".

Divisors: 1 3 50840347 152521041