Search a number
-
+
83730341 = 130764063
BaseRepresentation
bin1001111110110…
…01111110100101
312211112221102202
410333121332211
5132413332331
612150344245
72034460532
oct477317645
9184487382
1083730341
1143299932
122405b085
13144682a6
14b197d89
15753decb
hex4fd9fa5

83730341 has 4 divisors (see below), whose sum is σ = 83795712. Its totient is φ = 83664972.

The previous prime is 83730307. The next prime is 83730347. The reversal of 83730341 is 14303738.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14303738 = 27151869.

It is a cyclic number.

It is not a de Polignac number, because 83730341 - 214 = 83713957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83730347) 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, 30725 + ... + 33338.

It is an arithmetic number, because the mean of its divisors is an integer number (20948928).

Almost surely, 283730341 is an apocalyptic number.

It is an amenable number.

83730341 is a deficient number, since it is larger than the sum of its proper divisors (65371).

83730341 is a wasteful number, since it uses less digits than its factorization.

83730341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65370.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 83730341 is about 9150.4284599138. The cubic root of 83730341 is about 437.4827700425.

The spelling of 83730341 in words is "eighty-three million, seven hundred thirty thousand, three hundred forty-one".

Divisors: 1 1307 64063 83730341