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49332389 = 411203229
BaseRepresentation
bin1011110000110…
…0000010100101
310102211100022112
42330030002211
5100112114024
64521210405
71136214131
oct274140245
9112740275
1049332389
1125935177
1214630a05
13a2b3582
1467a23c1
1544e700e
hex2f0c0a5

49332389 has 4 divisors (see below), whose sum is σ = 50535660. Its totient is φ = 48129120.

The previous prime is 49332331. The next prime is 49332403. The reversal of 49332389 is 98323394.

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 24581764 + 24750625 = 4958^2 + 4975^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49332389 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 1203229 = 49332389 / (4 + 9 + 3 + 3 + 2 + 3 + 8 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49332329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 601574 + ... + 601655.

It is an arithmetic number, because the mean of its divisors is an integer number (12633915).

Almost surely, 249332389 is an apocalyptic number.

It is an amenable number.

49332389 is a deficient number, since it is larger than the sum of its proper divisors (1203271).

49332389 is a wasteful number, since it uses less digits than its factorization.

49332389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203270.

The product of its digits is 139968, while the sum is 41.

The square root of 49332389 is about 7023.7019441317. The cubic root of 49332389 is about 366.7561308785.

The spelling of 49332389 in words is "forty-nine million, three hundred thirty-two thousand, three hundred eighty-nine".

Divisors: 1 41 1203229 49332389