Search a number
-
+
38930378 = 2128915101
BaseRepresentation
bin1001010010000…
…0011111001010
32201020212102212
42110200133022
534431233003
63510225122
7651621434
oct224403712
981225385
1038930378
111aa7aa73
12110551a2
1380b0a36
145255654
15363edd8
hex25207ca

38930378 has 8 divisors (see below), whose sum is σ = 58444740. Its totient is φ = 19448800.

The previous prime is 38930377. The next prime is 38930387. The reversal of 38930378 is 87303983.

It can be written as a sum of positive squares in 2 ways, for example, as 38850289 + 80089 = 6233^2 + 283^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38930371) 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, 4973 + ... + 10128.

Almost surely, 238930378 is an apocalyptic number.

38930378 is a deficient number, since it is larger than the sum of its proper divisors (19514362).

38930378 is a wasteful number, since it uses less digits than its factorization.

38930378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16392.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 38930378 is about 6239.4212872670. The cubic root of 38930378 is about 338.9192267305.

The spelling of 38930378 in words is "thirty-eight million, nine hundred thirty thousand, three hundred seventy-eight".

Divisors: 1 2 1289 2578 15101 30202 19465189 38930378