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152302921 is a prime number
BaseRepresentation
bin10010001001111…
…11010101001001
3101121120210022221
421010333111021
5302442143141
623040214041
73526360561
oct1104772511
9347523287
10152302921
1178a75491
124300a321
1325727194
1416327da1
15d586bd1
hex913f549

152302921 has 2 divisors, whose sum is σ = 152302922. Its totient is φ = 152302920.

The previous prime is 152302903. The next prime is 152302933. The reversal of 152302921 is 129203251.

It is a happy number.

152302921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152176896 + 126025 = 12336^2 + 355^2 .

It is a cyclic number.

It is not a de Polignac number, because 152302921 - 27 = 152302793 is a prime.

It is not a weakly prime, because it can be changed into another prime (152302951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76151460 + 76151461.

It is an arithmetic number, because the mean of its divisors is an integer number (76151461).

Almost surely, 2152302921 is an apocalyptic number.

It is an amenable number.

152302921 is a deficient number, since it is larger than the sum of its proper divisors (1).

152302921 is an equidigital number, since it uses as much as digits as its factorization.

152302921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 152302921 is about 12341.1069600745. The cubic root of 152302921 is about 534.0346185714.

The spelling of 152302921 in words is "one hundred fifty-two million, three hundred two thousand, nine hundred twenty-one".