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30211104 = 2537116167
BaseRepresentation
bin111001100111…
…1110000100000
32002211212211210
41303033300200
530213223404
62555310120
7514535010
oct163176040
962755753
1030211104
1116065060
12a14b340
13634a0c1
144025c40
1529bb689
hex1ccfc20

30211104 has 192 divisors, whose sum is σ = 101993472. Its totient is φ = 7603200.

The previous prime is 30211079. The next prime is 30211109. The reversal of 30211104 is 40111203.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 30211104.

It is not an unprimeable number, because it can be changed into a prime (30211109) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 450879 + ... + 450945.

It is an arithmetic number, because the mean of its divisors is an integer number (531216).

Almost surely, 230211104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30211104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50996736).

30211104 is an abundant number, since it is smaller than the sum of its proper divisors (71782368).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30211104 is a wasteful number, since it uses less digits than its factorization.

30211104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30211104 is about 5496.4628626054. The cubic root of 30211104 is about 311.4503801546.

Adding to 30211104 its reverse (40111203), we get a palindrome (70322307).

Subtracting 30211104 from its reverse (40111203), we obtain a palindrome (9900099).

The spelling of 30211104 in words is "thirty million, two hundred eleven thousand, one hundred four".