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30523041 = 331766499
BaseRepresentation
bin111010001101…
…1111010100001
32010102201202000
41310123322201
530303214131
63010114213
7520304313
oct164337241
963381660
1030523041
111625845a
12a27b969
136429093
1440a77b3
152a2dce6
hex1d1bea1

30523041 has 16 divisors (see below), whose sum is σ = 47880000. Its totient is φ = 19151424.

The previous prime is 30523037. The next prime is 30523061. The reversal of 30523041 is 14032503.

It is not a de Polignac number, because 30523041 - 22 = 30523037 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30523021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32791 + ... + 33708.

It is an arithmetic number, because the mean of its divisors is an integer number (2992500).

Almost surely, 230523041 is an apocalyptic number.

It is an amenable number.

30523041 is a deficient number, since it is larger than the sum of its proper divisors (17356959).

30523041 is a wasteful number, since it uses less digits than its factorization.

30523041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66525 (or 66519 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 30523041 is about 5524.7661488972. The cubic root of 30523041 is about 312.5186455008.

Adding to 30523041 its reverse (14032503), we get a palindrome (44555544).

The spelling of 30523041 in words is "thirty million, five hundred twenty-three thousand, forty-one".

Divisors: 1 3 9 17 27 51 153 459 66499 199497 598491 1130483 1795473 3391449 10174347 30523041