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30411243 = 323379027
BaseRepresentation
bin111010000000…
…0100111101011
32010020001101100
41310000213223
530241124433
63003452443
7516330342
oct164004753
963201340
1030411243
1116191465
12a227123
1363ba225
144078b59
152a0ab13
hex1d009eb

30411243 has 6 divisors (see below), whose sum is σ = 43927364. Its totient is φ = 20274156.

The previous prime is 30411197. The next prime is 30411247. The reversal of 30411243 is 34211403.

It is not a de Polignac number, because 30411243 - 220 = 29362667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30411247) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1689505 + ... + 1689522.

Almost surely, 230411243 is an apocalyptic number.

30411243 is a deficient number, since it is larger than the sum of its proper divisors (13516121).

30411243 is a wasteful number, since it uses less digits than its factorization.

30411243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3379033 (or 3379030 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 30411243 is about 5514.6389727706. The cubic root of 30411243 is about 312.1366203940.

Adding to 30411243 its reverse (34211403), we get a palindrome (64622646).

The spelling of 30411243 in words is "thirty million, four hundred eleven thousand, two hundred forty-three".

Divisors: 1 3 9 3379027 10137081 30411243