Search a number
-
+
30743246 = 2128311981
BaseRepresentation
bin111010101000…
…1101011001110
32010211220210202
41311101223032
530332240441
63014533502
7522212312
oct165215316
963756722
1030743246
1116398946
12a367292
1364a5391
144123b42
152a7419b
hex1d51ace

30743246 has 8 divisors (see below), whose sum is σ = 46154664. Its totient is φ = 15358360.

The previous prime is 30743243. The next prime is 30743257. The reversal of 30743246 is 64234703.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30743243) 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, 3425 + ... + 8556.

It is an arithmetic number, because the mean of its divisors is an integer number (5769333).

Almost surely, 230743246 is an apocalyptic number.

30743246 is a deficient number, since it is larger than the sum of its proper divisors (15411418).

30743246 is a wasteful number, since it uses less digits than its factorization.

30743246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13266.

The product of its (nonzero) digits is 12096, while the sum is 29.

The square root of 30743246 is about 5544.6592320899. The cubic root of 30743246 is about 313.2683887832.

Adding to 30743246 its reverse (64234703), we get a palindrome (94977949).

The spelling of 30743246 in words is "thirty million, seven hundred forty-three thousand, two hundred forty-six".

Divisors: 1 2 1283 2566 11981 23962 15371623 30743246