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30550113 = 3211308587
BaseRepresentation
bin111010010001…
…0100001100001
32010111002212200
41310202201201
530310100423
63010443413
7520446246
oct164424141
963432780
1030550113
1116276830
12a293569
1364384b9
1440b35cd
152a36d43
hex1d22861

30550113 has 12 divisors (see below), whose sum is σ = 48139728. Its totient is φ = 18515160.

The previous prime is 30550103. The next prime is 30550147. The reversal of 30550113 is 31105503.

It is a happy number.

30550113 is a `hidden beast` number, since 3 + 0 + 550 + 113 = 666.

It is not a de Polignac number, because 30550113 - 210 = 30549089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30550103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154195 + ... + 154392.

It is an arithmetic number, because the mean of its divisors is an integer number (4011644).

Almost surely, 230550113 is an apocalyptic number.

30550113 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

30550113 is a deficient number, since it is larger than the sum of its proper divisors (17589615).

30550113 is a wasteful number, since it uses less digits than its factorization.

30550113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308604 (or 308601 counting only the distinct ones).

The product of its (nonzero) digits is 225, while the sum is 18.

The square root of 30550113 is about 5527.2156643287. The cubic root of 30550113 is about 312.6110129323.

Adding to 30550113 its reverse (31105503), we get a palindrome (61655616).

The spelling of 30550113 in words is "thirty million, five hundred fifty thousand, one hundred thirteen".

Divisors: 1 3 9 11 33 99 308587 925761 2777283 3394457 10183371 30550113