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30441042 = 233563723
BaseRepresentation
bin111010000011…
…1111001010010
32010021120021000
41310013321102
530243103132
63004242430
7516513252
oct164077122
963246230
1030441042
1116201895
12a240416
1363ca968
144085962
152a1487c
hex1d07e52

30441042 has 16 divisors (see below), whose sum is σ = 67646880. Its totient is φ = 10146996.

The previous prime is 30441041. The next prime is 30441049. The reversal of 30441042 is 24014403.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (30441041) 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 7 ways as a sum of consecutive naturals, for example, 281808 + ... + 281915.

It is an arithmetic number, because the mean of its divisors is an integer number (4227930).

Almost surely, 230441042 is an apocalyptic number.

30441042 is an abundant number, since it is smaller than the sum of its proper divisors (37205838).

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

30441042 is a wasteful number, since it uses less digits than its factorization.

30441042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 563734 (or 563728 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 30441042 is about 5517.3401200216. The cubic root of 30441042 is about 312.2385379947.

Adding to 30441042 its reverse (24014403), we get a palindrome (54455445).

The spelling of 30441042 in words is "thirty million, four hundred forty-one thousand, forty-two".

Divisors: 1 2 3 6 9 18 27 54 563723 1127446 1691169 3382338 5073507 10147014 15220521 30441042