[go: up one dir, main page]

Search a number
-
+
38137601 = 281135721
BaseRepresentation
bin1001000101111…
…0111100000001
32122202120221202
42101132330001
534230400401
63441230545
7642110225
oct221367401
978676852
1038137601
111a589387
1210932455
137b93c38
1450ca785
15353506b
hex245ef01

38137601 has 4 divisors (see below), whose sum is σ = 38273604. Its totient is φ = 38001600.

The previous prime is 38137597. The next prime is 38137621. The reversal of 38137601 is 10673183.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10673183 = 47227089.

It can be written as a sum of positive squares in 2 ways, for example, as 8271376 + 29866225 = 2876^2 + 5465^2 .

It is a cyclic number.

It is not a de Polignac number, because 38137601 - 22 = 38137597 is a prime.

It is a super-2 number, since 2×381376012 = 2908953220070402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (38137621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67580 + ... + 68141.

It is an arithmetic number, because the mean of its divisors is an integer number (9568401).

Almost surely, 238137601 is an apocalyptic number.

It is an amenable number.

38137601 is a deficient number, since it is larger than the sum of its proper divisors (136003).

38137601 is a wasteful number, since it uses less digits than its factorization.

38137601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136002.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 38137601 is about 6175.5648324667. The cubic root of 38137601 is about 336.6028511314.

The spelling of 38137601 in words is "thirty-eight million, one hundred thirty-seven thousand, six hundred one".

Divisors: 1 281 135721 38137601