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152002397 = 829318329
BaseRepresentation
bin10010000111101…
…01111101011101
3101121000112002102
421003311331131
5302403034042
623025534445
73523666451
oct1103657535
9347015072
10152002397
117888a718
1242aa4425
1325650461
141628a661
15d527b32
hex90f5f5d

152002397 has 4 divisors (see below), whose sum is σ = 152029020. Its totient is φ = 151975776.

The previous prime is 152002391. The next prime is 152002421. The reversal of 152002397 is 793200251.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53377636 + 98624761 = 7306^2 + 9931^2 .

It is a cyclic number.

It is not a de Polignac number, because 152002397 - 210 = 152001373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152002391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 872 + ... + 17457.

It is an arithmetic number, because the mean of its divisors is an integer number (38007255).

Almost surely, 2152002397 is an apocalyptic number.

It is an amenable number.

152002397 is a deficient number, since it is larger than the sum of its proper divisors (26623).

152002397 is an equidigital number, since it uses as much as digits as its factorization.

152002397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26622.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 152002397 is about 12328.9252167413. The cubic root of 152002397 is about 533.6831350624.

The spelling of 152002397 in words is "one hundred fifty-two million, two thousand, three hundred ninety-seven".

Divisors: 1 8293 18329 152002397