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38132845 = 57626569
BaseRepresentation
bin1001000101110…
…1110001101101
32122202100102121
42101131301231
534230222340
63441152541
7642060322
oct221356155
978670377
1038132845
111a585853
121092b751
137b91a1a
1450c8b49
15353394a
hex245dc6d

38132845 has 4 divisors (see below), whose sum is σ = 45759420. Its totient is φ = 30506272.

The previous prime is 38132813. The next prime is 38132879. The reversal of 38132845 is 54823183.

It is a happy number.

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 7241481 + 30891364 = 2691^2 + 5558^2 .

It is a cyclic number.

It is not a de Polignac number, because 38132845 - 25 = 38132813 is a prime.

It is a super-2 number, since 2×381328452 = 2908227735588050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 38132845.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3813280 + ... + 3813289.

It is an arithmetic number, because the mean of its divisors is an integer number (11439855).

Almost surely, 238132845 is an apocalyptic number.

It is an amenable number.

38132845 is a deficient number, since it is larger than the sum of its proper divisors (7626575).

38132845 is an equidigital number, since it uses as much as digits as its factorization.

38132845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7626574.

The product of its digits is 23040, while the sum is 34.

The square root of 38132845 is about 6175.1797544687. The cubic root of 38132845 is about 336.5888583817.

The spelling of 38132845 in words is "thirty-eight million, one hundred thirty-two thousand, eight hundred forty-five".

Divisors: 1 5 7626569 38132845