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152069 = 413709
BaseRepresentation
bin100101001000000101
321201121012
4211020011
514331234
63132005
71202231
oct451005
9251535
10152069
11a4285
1274005
13542a8
143d5c1
15300ce
hex25205

152069 has 4 divisors (see below), whose sum is σ = 155820. Its totient is φ = 148320.

The previous prime is 152063. The next prime is 152077. The reversal of 152069 is 960251.

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 21025 + 131044 = 145^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 152069 - 28 = 151813 is a prime.

It is a super-2 number, since 2×1520692 = 46249961522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152063) 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, 1814 + ... + 1895.

It is an arithmetic number, because the mean of its divisors is an integer number (38955).

2152069 is an apocalyptic number.

It is an amenable number.

152069 is a deficient number, since it is larger than the sum of its proper divisors (3751).

152069 is an equidigital number, since it uses as much as digits as its factorization.

152069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 152069 is about 389.9602543850. The cubic root of 152069 is about 53.3761071788.

The spelling of 152069 in words is "one hundred fifty-two thousand, sixty-nine".

Divisors: 1 41 3709 152069