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30523201 is a prime number
BaseRepresentation
bin111010001101…
…1111101000001
32010102201221221
41310123331001
530303220301
63010115041
7520304632
oct164337501
963381857
1030523201
1116258595
12a27ba81
136429187
1440a7889
152a2dda1
hex1d1bf41

30523201 has 2 divisors, whose sum is σ = 30523202. Its totient is φ = 30523200.

The previous prime is 30523169. The next prime is 30523219. The reversal of 30523201 is 10232503.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27196225 + 3326976 = 5215^2 + 1824^2 .

It is a cyclic number.

It is not a de Polignac number, because 30523201 - 25 = 30523169 is a prime.

It is a super-3 number, since 3×305232013 (a number of 23 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (30523301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15261600 + 15261601.

It is an arithmetic number, because the mean of its divisors is an integer number (15261601).

Almost surely, 230523201 is an apocalyptic number.

It is an amenable number.

30523201 is a deficient number, since it is larger than the sum of its proper divisors (1).

30523201 is an equidigital number, since it uses as much as digits as its factorization.

30523201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 30523201 is about 5524.7806291291. The cubic root of 30523201 is about 312.5191915680.

Adding to 30523201 its reverse (10232503), we get a palindrome (40755704).

The spelling of 30523201 in words is "thirty million, five hundred twenty-three thousand, two hundred one".