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38514445 = 57702889
BaseRepresentation
bin1001001011101…
…0111100001101
32200110201212221
42102322330031
534324430240
63453255341
7645240004
oct222727415
980421787
1038514445
111a816522
1210a94551
137c96618
145187c3b
1535aba4a
hex24baf0d

38514445 has 4 divisors (see below), whose sum is σ = 46217340. Its totient is φ = 30811552.

The previous prime is 38514439. The next prime is 38514467. The reversal of 38514445 is 54441583.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54441583 = 77777369.

It can be written as a sum of positive squares in 2 ways, for example, as 13883076 + 24631369 = 3726^2 + 4963^2 .

It is a cyclic number.

It is not a de Polignac number, because 38514445 - 29 = 38513933 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 38514445.

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, 3851440 + ... + 3851449.

It is an arithmetic number, because the mean of its divisors is an integer number (11554335).

Almost surely, 238514445 is an apocalyptic number.

It is an amenable number.

38514445 is a deficient number, since it is larger than the sum of its proper divisors (7702895).

38514445 is an equidigital number, since it uses as much as digits as its factorization.

38514445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7702894.

The product of its digits is 38400, while the sum is 34.

The square root of 38514445 is about 6206.0007251047. Note that the first 3 decimals coincide. The cubic root of 38514445 is about 337.7078956895.

The spelling of 38514445 in words is "thirty-eight million, five hundred fourteen thousand, four hundred forty-five".

Divisors: 1 5 7702889 38514445