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4152845 = 51748857
BaseRepresentation
bin1111110101111000001101
321210222122002
433311320031
52030342340
6225002045
750204264
oct17657015
97728562
104152845
112387104
121483325
13b25308
147a15db
15570715
hex3f5e0d

4152845 has 8 divisors (see below), whose sum is σ = 5276664. Its totient is φ = 3126784.

The previous prime is 4152839. The next prime is 4152847. The reversal of 4152845 is 5482514.

It can be written as a sum of positive squares in 4 ways, for example, as 2319529 + 1833316 = 1523^2 + 1354^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4152845 - 210 = 4151821 is a prime.

It is a super-2 number, since 2×41528452 = 34492243188050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4152847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24344 + ... + 24513.

It is an arithmetic number, because the mean of its divisors is an integer number (659583).

Almost surely, 24152845 is an apocalyptic number.

It is an amenable number.

4152845 is a deficient number, since it is larger than the sum of its proper divisors (1123819).

4152845 is a wasteful number, since it uses less digits than its factorization.

4152845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48879.

The product of its digits is 6400, while the sum is 29.

The square root of 4152845 is about 2037.8530368994. The cubic root of 4152845 is about 160.7367713630.

The spelling of 4152845 in words is "four million, one hundred fifty-two thousand, eight hundred forty-five".

Divisors: 1 5 17 85 48857 244285 830569 4152845