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39150049 = 62572
BaseRepresentation
bin1001010101011…
…0000111100001
32201200000202211
42111112013201
540010300144
63515042121
7653525041
oct225260741
981600684
1039150049
1120110014
1211140341
138159a13
1452b1721
153685034
hex25561e1

39150049 has 3 divisors (see below), whose sum is σ = 39156307. Its totient is φ = 39143792.

The previous prime is 39150037. The next prime is 39150061. The reversal of 39150049 is 94005193.

The square root of 39150049 is 6257.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 94005193 = 281933347.

It is an interprime number because it is at equal distance from previous prime (39150037) and next prime (39150061).

It can be written as a sum of positive squares in only one way, i.e., 38750625 + 399424 = 6225^2 + 632^2 .

It is not a de Polignac number, because 39150049 - 25 = 39150017 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39150049.

It is not an unprimeable number, because it can be changed into a prime (39150019) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3129 + ... + 9385.

Almost surely, 239150049 is an apocalyptic number.

39150049 is the 6257-th square number.

39150049 is the 3129-th centered octagonal number.

It is an amenable number.

39150049 is a deficient number, since it is larger than the sum of its proper divisors (6258).

39150049 is an frugal number, since it uses more digits than its factorization.

39150049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12514 (or 6257 counting only the distinct ones).

The product of its (nonzero) digits is 4860, while the sum is 31.

The cubic root of 39150049 is about 339.5555004509. Note that the first 4 decimals are identical.

The spelling of 39150049 in words is "thirty-nine million, one hundred fifty thousand, forty-nine".

Divisors: 1 6257 39150049