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38874245 = 57774849
BaseRepresentation
bin1001010001001…
…0110010000101
32201011000102212
42110102302011
534422433440
63505113205
7651265664
oct224226205
981130385
1038874245
111aa41883
1211028805
138091317
14523cddb
15362d465
hex2512c85

38874245 has 4 divisors (see below), whose sum is σ = 46649100. Its totient is φ = 31099392.

The previous prime is 38874233. The next prime is 38874259. The reversal of 38874245 is 54247883.

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 5303809 + 33570436 = 2303^2 + 5794^2 .

It is a cyclic number.

It is not a de Polignac number, because 38874245 - 216 = 38808709 is a prime.

It is a super-2 number, since 2×388742452 = 3022413848640050, which contains 22 as substring.

It is a Curzon number.

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, 3887420 + ... + 3887429.

It is an arithmetic number, because the mean of its divisors is an integer number (11662275).

Almost surely, 238874245 is an apocalyptic number.

It is an amenable number.

38874245 is a deficient number, since it is larger than the sum of its proper divisors (7774855).

38874245 is an equidigital number, since it uses as much as digits as its factorization.

38874245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7774854.

The product of its digits is 215040, while the sum is 41.

The square root of 38874245 is about 6234.9214108920. The cubic root of 38874245 is about 338.7562545651.

The spelling of 38874245 in words is "thirty-eight million, eight hundred seventy-four thousand, two hundred forty-five".

Divisors: 1 5 7774849 38874245