Search a number
-
+
38474085 = 35131911033
BaseRepresentation
bin1001001011000…
…1000101100101
32200101200112010
42102301011211
534322132320
63452344433
7645011226
oct222610545
980350463
1038474085
111a799171
1210a75119
137c81140
14517724d
15359eae0
hex24b1165

38474085 has 32 divisors (see below), whose sum is σ = 66705408. Its totient is φ = 18823680.

The previous prime is 38474083. The next prime is 38474087. The reversal of 38474085 is 58047483.

It is an interprime number because it is at equal distance from previous prime (38474083) and next prime (38474087).

It is not a de Polignac number, because 38474085 - 21 = 38474083 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38474083) 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 31 ways as a sum of consecutive naturals, for example, 36729 + ... + 37761.

It is an arithmetic number, because the mean of its divisors is an integer number (2084544).

Almost surely, 238474085 is an apocalyptic number.

It is an amenable number.

38474085 is a deficient number, since it is larger than the sum of its proper divisors (28231323).

38474085 is a wasteful number, since it uses less digits than its factorization.

38474085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245.

The product of its (nonzero) digits is 107520, while the sum is 39.

The square root of 38474085 is about 6202.7481812500. The cubic root of 38474085 is about 337.5898910080.

The spelling of 38474085 in words is "thirty-eight million, four hundred seventy-four thousand, eighty-five".

Divisors: 1 3 5 13 15 39 65 191 195 573 955 1033 2483 2865 3099 5165 7449 12415 13429 15495 37245 40287 67145 197303 201435 591909 986515 2564939 2959545 7694817 12824695 38474085