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30421035 = 335225341
BaseRepresentation
bin111010000001…
…1000000101011
32010020112211000
41310003000223
530241433120
63004010043
7516401031
oct164030053
963215730
1030421035
1116198857
12a230923
1363c1818
14407c551
152a0d990
hex1d0302b

30421035 has 16 divisors (see below), whose sum is σ = 54082080. Its totient is φ = 16224480.

The previous prime is 30421031. The next prime is 30421051. The reversal of 30421035 is 53012403.

It is not a de Polignac number, because 30421035 - 22 = 30421031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30420999 and 30421017.

It is not an unprimeable number, because it can be changed into a prime (30421031) 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, 112536 + ... + 112805.

It is an arithmetic number, because the mean of its divisors is an integer number (3380130).

Almost surely, 230421035 is an apocalyptic number.

30421035 is a deficient number, since it is larger than the sum of its proper divisors (23661045).

30421035 is a wasteful number, since it uses less digits than its factorization.

30421035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225355 (or 225349 counting only the distinct ones).

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

The square root of 30421035 is about 5515.5267200876. The cubic root of 30421035 is about 312.1701180251.

Adding to 30421035 its reverse (53012403), we get a palindrome (83433438).

The spelling of 30421035 in words is "thirty million, four hundred twenty-one thousand, thirty-five".

Divisors: 1 3 5 9 15 27 45 135 225341 676023 1126705 2028069 3380115 6084207 10140345 30421035