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30248816 = 2413413547
BaseRepresentation
bin111001101100…
…0111101110000
32002220210120112
41303120331300
530220430231
63000200452
7515052653
oct163307560
962823515
1030248816
1116090424
12a169128
136361310
14403589a
1529c792b
hex1cd8f70

30248816 has 40 divisors (see below), whose sum is σ = 64672944. Its totient is φ = 13616640.

The previous prime is 30248809. The next prime is 30248819. The reversal of 30248816 is 61884203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30248819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6755 + ... + 10301.

Almost surely, 230248816 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 30248816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32336472).

30248816 is an abundant number, since it is smaller than the sum of its proper divisors (34424128).

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

30248816 is a wasteful number, since it uses less digits than its factorization.

30248816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3609 (or 3603 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 30248816 is about 5499.8923625831. The cubic root of 30248816 is about 311.5799189816.

The spelling of 30248816 in words is "thirty million, two hundred forty-eight thousand, eight hundred sixteen".

Divisors: 1 2 4 8 13 16 26 41 52 82 104 164 208 328 533 656 1066 2132 3547 4264 7094 8528 14188 28376 46111 56752 92222 145427 184444 290854 368888 581708 737776 1163416 1890551 2326832 3781102 7562204 15124408 30248816