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38461489 = 113496499
BaseRepresentation
bin1001001010111…
…0000000110001
32200101001020121
42102232000301
534321231424
63452210241
7644626423
oct222560061
980331217
1038461489
111a78a760
1210a69981
137c784a1
145172813
15359aee4
hex24ae031

38461489 has 4 divisors (see below), whose sum is σ = 41958000. Its totient is φ = 34964980.

The previous prime is 38461487. The next prime is 38461499. The reversal of 38461489 is 98416483.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 38461489 - 21 = 38461487 is a prime.

It is a super-2 number, since 2×384614892 = 2958572272194242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (38461487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1748239 + ... + 1748260.

It is an arithmetic number, because the mean of its divisors is an integer number (10489500).

Almost surely, 238461489 is an apocalyptic number.

It is an amenable number.

38461489 is a deficient number, since it is larger than the sum of its proper divisors (3496511).

38461489 is a wasteful number, since it uses less digits than its factorization.

38461489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3496510.

The product of its digits is 165888, while the sum is 43.

The square root of 38461489 is about 6201.7327417424. The cubic root of 38461489 is about 337.5530458917.

It can be divided in two parts, 3846 and 1489, that added together give a palindrome (5335).

The spelling of 38461489 in words is "thirty-eight million, four hundred sixty-one thousand, four hundred eighty-nine".

Divisors: 1 11 3496499 38461489