Search a number
-
+
94143530 = 25131814001
BaseRepresentation
bin1011001110010…
…00010000101010
320120010222122102
411213020100222
5143100043110
613201453402
72222130635
oct547102052
9216128572
1094143530
1149161478
1227641262
1316672c40
14c708c1c
1583e95a5
hex59c842a

94143530 has 32 divisors (see below), whose sum is σ = 183547728. Its totient is φ = 34560000.

The previous prime is 94143493. The next prime is 94143547. The reversal of 94143530 is 3534149.

It can be written as a sum of positive squares in 8 ways, for example, as 1194649 + 92948881 = 1093^2 + 9641^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 94143493 and 94143502.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 21530 + ... + 25530.

Almost surely, 294143530 is an apocalyptic number.

94143530 is a deficient number, since it is larger than the sum of its proper divisors (89404198).

94143530 is a wasteful number, since it uses less digits than its factorization.

94143530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4202.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 94143530 is about 9702.7588860076. The cubic root of 94143530 is about 454.9148977414.

Adding to 94143530 its reverse (3534149), we get a palindrome (97677679).

The spelling of 94143530 in words is "ninety-four million, one hundred forty-three thousand, five hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 181 362 905 1810 2353 4001 4706 8002 11765 20005 23530 40010 52013 104026 260065 520130 724181 1448362 3620905 7241810 9414353 18828706 47071765 94143530