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152799019 = 1153132523
BaseRepresentation
bin10010001101110…
…00011100101011
3101122111222211221
421012320130223
5303104032034
623055002511
73533525122
oct1106703453
9348458757
10152799019
117928418a
1243209437
132586bc29
1416416ab9
15d633bb4
hex91b872b

152799019 has 4 divisors (see below), whose sum is σ = 152932696. Its totient is φ = 152665344.

The previous prime is 152799013. The next prime is 152799037. The reversal of 152799019 is 910997251.

152799019 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 an emirpimes, since its reverse is a distinct semiprime: 910997251 = 1078513993.

It is a cyclic number.

It is not a de Polignac number, because 152799019 - 29 = 152798507 is a prime.

It is a super-2 number, since 2×1527990192 = 46695080414724722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (152799013) 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, 65109 + ... + 67414.

It is an arithmetic number, because the mean of its divisors is an integer number (38233174).

Almost surely, 2152799019 is an apocalyptic number.

152799019 is a deficient number, since it is larger than the sum of its proper divisors (133677).

152799019 is a wasteful number, since it uses less digits than its factorization.

152799019 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133676.

The product of its (nonzero) digits is 51030, while the sum is 43.

The square root of 152799019 is about 12361.1900317081. The cubic root of 152799019 is about 534.6138291056.

The spelling of 152799019 in words is "one hundred fifty-two million, seven hundred ninety-nine thousand, nineteen".

Divisors: 1 1153 132523 152799019