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38489841 = 3213615393
BaseRepresentation
bin1001001011010…
…0111011110001
32200102111010200
42102310323301
534323133331
63452545413
7645105165
oct222647361
980374120
1038489841
111a7a9a95
1210a82269
137c88370
14517cca5
1535a45e6
hex24b4ef1

38489841 has 24 divisors (see below), whose sum is σ = 60865896. Its totient is φ = 23293440.

The previous prime is 38489837. The next prime is 38489903. The reversal of 38489841 is 14898483.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 37271025 = 1104^2 + 6105^2 .

It is not a de Polignac number, because 38489841 - 22 = 38489837 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38489821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4441 + ... + 9833.

It is an arithmetic number, because the mean of its divisors is an integer number (2536079).

Almost surely, 238489841 is an apocalyptic number.

It is an amenable number.

38489841 is a deficient number, since it is larger than the sum of its proper divisors (22376055).

38489841 is a wasteful number, since it uses less digits than its factorization.

38489841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5473 (or 5470 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 38489841 is about 6204.0181334358. The cubic root of 38489841 is about 337.6359682605.

It can be divided in two parts, 3848 and 9841, that added together give a square (13689 = 1172).

The spelling of 38489841 in words is "thirty-eight million, four hundred eighty-nine thousand, eight hundred forty-one".

Divisors: 1 3 9 13 39 61 117 183 549 793 2379 5393 7137 16179 48537 70109 210327 328973 630981 986919 2960757 4276649 12829947 38489841