Search a number
-
+
38100481 = 532113407
BaseRepresentation
bin1001000101010…
…1111000000001
32122200201000221
42101111320001
534223203411
63440343041
7641564056
oct221257001
978621027
1038100481
111a563501
1210914a81
137b80083
1450bb02d
153529071
hex2455e01

38100481 has 8 divisors (see below), whose sum is σ = 39014784. Its totient is φ = 37193520.

The previous prime is 38100479. The next prime is 38100493. The reversal of 38100481 is 18400183.

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

It is a cyclic number.

It is not a de Polignac number, because 38100481 - 21 = 38100479 is a prime.

It is a super-2 number, since 2×381004812 = 2903293304862722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (38100431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9480 + ... + 12886.

It is an arithmetic number, because the mean of its divisors is an integer number (4876848).

Almost surely, 238100481 is an apocalyptic number.

It is an amenable number.

38100481 is a deficient number, since it is larger than the sum of its proper divisors (914303).

38100481 is a wasteful number, since it uses less digits than its factorization.

38100481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3671.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 38100481 is about 6172.5587076997. The cubic root of 38100481 is about 336.4936085163.

The spelling of 38100481 in words is "thirty-eight million, one hundred thousand, four hundred eighty-one".

Divisors: 1 53 211 3407 11183 180571 718877 38100481