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30046044 = 2237894019
BaseRepresentation
bin111001010011…
…1011101011100
32002112111102110
41302213131130
530142433134
62551554020
7513246540
oct162473534
962474373
1030046044
1115a62046
12a08b910
1362bcc32
143dc1a20
1529877e9
hex1ca775c

30046044 has 48 divisors (see below), whose sum is σ = 81043200. Its totient is φ = 8486016.

The previous prime is 30046043. The next prime is 30046057. The reversal of 30046044 is 44064003.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 30046044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30046043) 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, 5467 + ... + 9485.

It is an arithmetic number, because the mean of its divisors is an integer number (1688400).

Almost surely, 230046044 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 30046044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40521600).

30046044 is an abundant number, since it is smaller than the sum of its proper divisors (50997156).

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

30046044 is a wasteful number, since it uses less digits than its factorization.

30046044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4122 (or 4120 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 30046044 is about 5481.4271864178. The cubic root of 30046044 is about 310.8821353527.

The spelling of 30046044 in words is "thirty million, forty-six thousand, forty-four", and thus it is an eban number.

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 89 178 267 356 534 623 1068 1246 1869 2492 3738 4019 7476 8038 12057 16076 24114 28133 48228 56266 84399 112532 168798 337596 357691 715382 1073073 1430764 2146146 2503837 4292292 5007674 7511511 10015348 15023022 30046044