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30746394 = 23272391021
BaseRepresentation
bin111010101001…
…0011100011010
32010212002010100
41311102130122
530332341034
63015000230
7522224430
oct165223432
963762110
1030746394
11163a0248
12a369076
1364a6943
144124d50
152a75099
hex1d5271a

30746394 has 48 divisors (see below), whose sum is σ = 76527360. Its totient is φ = 8739360.

The previous prime is 30746369. The next prime is 30746399. The reversal of 30746394 is 49364703.

It is not an unprimeable number, because it can be changed into a prime (30746399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 29604 + ... + 30624.

It is an arithmetic number, because the mean of its divisors is an integer number (1594320).

Almost surely, 230746394 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30746394, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38263680).

30746394 is an abundant number, since it is smaller than the sum of its proper divisors (45780966).

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

30746394 is a wasteful number, since it uses less digits than its factorization.

30746394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1272 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 30746394 is about 5544.9431016017. The cubic root of 30746394 is about 313.2790809445.

The spelling of 30746394 in words is "thirty million, seven hundred forty-six thousand, three hundred ninety-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 239 478 717 1021 1434 1673 2042 2151 3063 3346 4302 5019 6126 7147 9189 10038 14294 15057 18378 21441 30114 42882 64323 128646 244019 488038 732057 1464114 1708133 2196171 3416266 4392342 5124399 10248798 15373197 30746394