Search a number
-
+
83948321 = 237349999
BaseRepresentation
bin1010000000011…
…11001100100001
312211222000110002
411000033030201
5132442321241
612155145345
72036356202
oct500171441
9184860402
1083948321
1143428686
1224145255
1314513582
14b2135a9
15758389b
hex500f321

83948321 has 8 divisors (see below), whose sum is σ = 88800000. Its totient is φ = 79196832.

The previous prime is 83948317. The next prime is 83948353. The reversal of 83948321 is 12384938.

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 83948321 - 22 = 83948317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83948311) 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, 23321 + ... + 26678.

It is an arithmetic number, because the mean of its divisors is an integer number (11100000).

Almost surely, 283948321 is an apocalyptic number.

It is an amenable number.

83948321 is a deficient number, since it is larger than the sum of its proper divisors (4851679).

83948321 is a wasteful number, since it uses less digits than its factorization.

83948321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50095.

The product of its digits is 41472, while the sum is 38.

The square root of 83948321 is about 9162.3316355609. The cubic root of 83948321 is about 437.8620824015.

The spelling of 83948321 in words is "eighty-three million, nine hundred forty-eight thousand, three hundred twenty-one".

Divisors: 1 23 73 1679 49999 1149977 3649927 83948321