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152928229 = 686322283
BaseRepresentation
bin10010001110101…
…11111111100101
3101122202120002111
421013113333211
5303122200404
623101441021
73534603616
oct1107277745
9348676074
10152928229
1179362273
1243270171
13258b599c
141644bc0d
15d65c104
hex91d7fe5

152928229 has 4 divisors (see below), whose sum is σ = 152957376. Its totient is φ = 152899084.

The previous prime is 152928197. The next prime is 152928233. The reversal of 152928229 is 922829251.

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: 922829251 = 4492055299.

It is a cyclic number.

It is not a de Polignac number, because 152928229 - 25 = 152928197 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 152928191 and 152928200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152928329) 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, 4279 + ... + 18004.

It is an arithmetic number, because the mean of its divisors is an integer number (38239344).

Almost surely, 2152928229 is an apocalyptic number.

It is an amenable number.

152928229 is a deficient number, since it is larger than the sum of its proper divisors (29147).

152928229 is an equidigital number, since it uses as much as digits as its factorization.

152928229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29146.

The product of its digits is 51840, while the sum is 40.

The square root of 152928229 is about 12366.4153658204. The cubic root of 152928229 is about 534.7644801402.

The spelling of 152928229 in words is "one hundred fifty-two million, nine hundred twenty-eight thousand, two hundred twenty-nine".

Divisors: 1 6863 22283 152928229