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30023124 = 2232938539
BaseRepresentation
bin111001010000…
…1110111010100
32002111022222120
41302201313110
530141214444
62551255540
7513122655
oct162416724
962438876
1030023124
1115a468aa
12a07a5b0
1362b2681
143db752c
152980b19
hex1ca1dd4

30023124 has 24 divisors (see below), whose sum is σ = 70301280. Its totient is φ = 9972384.

The previous prime is 30023107. The next prime is 30023137. The reversal of 30023124 is 42132003.

It is a congruent number.

It is an unprimeable number.

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, 754 + ... + 7785.

It is an arithmetic number, because the mean of its divisors is an integer number (2929220).

Almost surely, 230023124 is an apocalyptic number.

It is an amenable number.

30023124 is an abundant number, since it is smaller than the sum of its proper divisors (40278156).

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

30023124 is a wasteful number, since it uses less digits than its factorization.

30023124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8839 (or 8837 counting only the distinct ones).

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

The square root of 30023124 is about 5479.3360911702. The cubic root of 30023124 is about 310.8030652524.

Adding to 30023124 its reverse (42132003), we get a palindrome (72155127).

The spelling of 30023124 in words is "thirty million, twenty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 12 293 586 879 1172 1758 3516 8539 17078 25617 34156 51234 102468 2501927 5003854 7505781 10007708 15011562 30023124