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152320615 = 5291576691
BaseRepresentation
bin10010001010000…
…11101001100111
3101121121200121021
421011003221213
5302443224430
623040432011
73526463266
oct1105035147
9347550537
10152320615
1178a87807
1243018607
1325732255
14163305dd
15d58c07a
hex9143a67

152320615 has 16 divisors (see below), whose sum is σ = 190320480. Its totient is φ = 116887680.

The previous prime is 152320613. The next prime is 152320621. The reversal of 152320615 is 516023251.

It is not a de Polignac number, because 152320615 - 21 = 152320613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 152320615.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152320613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19420 + ... + 26110.

It is an arithmetic number, because the mean of its divisors is an integer number (11895030).

Almost surely, 2152320615 is an apocalyptic number.

152320615 is a deficient number, since it is larger than the sum of its proper divisors (37999865).

152320615 is a wasteful number, since it uses less digits than its factorization.

152320615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6882.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 152320615 is about 12341.8238117387. The cubic root of 152320615 is about 534.0552985045.

Adding to 152320615 its reverse (516023251), we get a palindrome (668343866).

The spelling of 152320615 in words is "one hundred fifty-two million, three hundred twenty thousand, six hundred fifteen".

Divisors: 1 5 29 145 157 785 4553 6691 22765 33455 194039 970195 1050487 5252435 30464123 152320615