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30342210 = 2351011407
BaseRepresentation
bin111001110111…
…1110001000010
32010002112200120
41303233301002
530231422320
63002201110
7515622153
oct163576102
963075616
1030342210
1116144608
12a1b3196
136394992
14405b92a
1529e5440
hex1cefc42

30342210 has 16 divisors (see below), whose sum is σ = 72821376. Its totient is φ = 8091248.

The previous prime is 30342203. The next prime is 30342233. The reversal of 30342210 is 1224303.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 30342210.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505674 + ... + 505733.

It is an arithmetic number, because the mean of its divisors is an integer number (4551336).

Almost surely, 230342210 is an apocalyptic number.

30342210 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30342210 is an abundant number, since it is smaller than the sum of its proper divisors (42479166).

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

30342210 is a wasteful number, since it uses less digits than its factorization.

30342210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011417.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 30342210 is about 5508.3763487983. The cubic root of 30342210 is about 311.9002598673.

Adding to 30342210 its reverse (1224303), we get a palindrome (31566513).

The spelling of 30342210 in words is "thirty million, three hundred forty-two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 1011407 2022814 3034221 5057035 6068442 10114070 15171105 30342210