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30303944 = 2311344363
BaseRepresentation
bin111001110011…
…0011011001000
32010000121012022
41303212123020
530224211234
63001304012
7515402456
oct163463310
963017168
1030303944
1116118890
12a195008
136380438
14404b9d6
1529d8e2e
hex1ce66c8

30303944 has 16 divisors (see below), whose sum is σ = 61985520. Its totient is φ = 13774480.

The previous prime is 30303943. The next prime is 30303953. The reversal of 30303944 is 44930303.

It is not an unprimeable number, because it can be changed into a prime (30303941) 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 3 ways as a sum of consecutive naturals, for example, 172094 + ... + 172269.

It is an arithmetic number, because the mean of its divisors is an integer number (3874095).

Almost surely, 230303944 is an apocalyptic number.

It is an amenable number.

30303944 is an abundant number, since it is smaller than the sum of its proper divisors (31681576).

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

30303944 is a wasteful number, since it uses less digits than its factorization.

30303944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344380 (or 344376 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 30303944 is about 5504.9018156548. The cubic root of 30303944 is about 311.7690873061.

The spelling of 30303944 in words is "thirty million, three hundred three thousand, nine hundred forty-four".

Divisors: 1 2 4 8 11 22 44 88 344363 688726 1377452 2754904 3787993 7575986 15151972 30303944