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30351094 = 219798713
BaseRepresentation
bin111001111000…
…1111011110110
32010002222212121
41303301323312
530232213334
63002310154
7515660104
oct163617366
963088777
1030351094
1116150254
12a1b835a
136398a37
144060c74
1529e7db4
hex1cf1ef6

30351094 has 8 divisors (see below), whose sum is σ = 47922840. Its totient is φ = 14376816.

The previous prime is 30351073. The next prime is 30351107. The reversal of 30351094 is 49015303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399319 + ... + 399394.

It is an arithmetic number, because the mean of its divisors is an integer number (5990355).

Almost surely, 230351094 is an apocalyptic number.

30351094 is a deficient number, since it is larger than the sum of its proper divisors (17571746).

30351094 is a wasteful number, since it uses less digits than its factorization.

30351094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798734.

The product of its (nonzero) digits is 1620, while the sum is 25.

The square root of 30351094 is about 5509.1826980052. The cubic root of 30351094 is about 311.9306976801.

Adding to 30351094 its reverse (49015303), we get a palindrome (79366397).

The spelling of 30351094 in words is "thirty million, three hundred fifty-one thousand, ninety-four".

Divisors: 1 2 19 38 798713 1597426 15175547 30351094