Search a number
-
+
38475090 = 23252318587
BaseRepresentation
bin1001001011000…
…1010101010010
32200101201220100
42102301111102
534322200330
63452353230
7645014163
oct222612522
980351810
1038475090
111a7999a5
1210a75816
137c81734
14517776a
1535a0060
hex24b1552

38475090 has 48 divisors (see below), whose sum is σ = 104390208. Its totient is φ = 9813408.

The previous prime is 38475089. The next prime is 38475091. The reversal of 38475090 is 9057483.

It is an interprime number because it is at equal distance from previous prime (38475089) and next prime (38475091).

It is not an unprimeable number, because it can be changed into a prime (38475091) 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 23 ways as a sum of consecutive naturals, for example, 7224 + ... + 11363.

It is an arithmetic number, because the mean of its divisors is an integer number (2174796).

Almost surely, 238475090 is an apocalyptic number.

38475090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38475090 is an abundant number, since it is smaller than the sum of its proper divisors (65915118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38475090 is a wasteful number, since it uses less digits than its factorization.

38475090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18623 (or 18620 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 38475090 is about 6202.8291931989. The cubic root of 38475090 is about 337.5928304314.

The spelling of 38475090 in words is "thirty-eight million, four hundred seventy-five thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 23 30 45 46 69 90 115 138 207 230 345 414 690 1035 2070 18587 37174 55761 92935 111522 167283 185870 278805 334566 427501 557610 836415 855002 1282503 1672830 2137505 2565006 3847509 4275010 6412515 7695018 12825030 19237545 38475090