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152071501 = 413709061
BaseRepresentation
bin10010001000001…
…10110101001101
3101121011000212211
421010012311031
5302412242001
623031230421
73524405101
oct1104066515
9347130784
10152071501
117892762a
1242b18411
1325675a4a
14162a7901
15d53d351
hex9106d4d

152071501 has 4 divisors (see below), whose sum is σ = 155780604. Its totient is φ = 148362400.

The previous prime is 152071463. The next prime is 152071519. The reversal of 152071501 is 105170251.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 105170251 = 791331269.

It can be written as a sum of positive squares in 2 ways, for example, as 12595401 + 139476100 = 3549^2 + 11810^2 .

It is a cyclic number.

It is not a de Polignac number, because 152071501 - 217 = 151940429 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 (152071531) 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, 1854490 + ... + 1854571.

It is an arithmetic number, because the mean of its divisors is an integer number (38945151).

Almost surely, 2152071501 is an apocalyptic number.

It is an amenable number.

152071501 is a deficient number, since it is larger than the sum of its proper divisors (3709103).

152071501 is an equidigital number, since it uses as much as digits as its factorization.

152071501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709102.

The product of its (nonzero) digits is 350, while the sum is 22.

The square root of 152071501 is about 12331.7274134648. The cubic root of 152071501 is about 533.7639979363.

The spelling of 152071501 in words is "one hundred fifty-two million, seventy-one thousand, five hundred one".

Divisors: 1 41 3709061 152071501