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30329632 = 2517127439
BaseRepresentation
bin111001110110…
…0101100100000
32010001220102201
41303230230200
530231022012
63002022544
7515540404
oct163545440
963056381
1030329632
1116136113
12a1a7a54
13638c038
144057104
1529e1857
hex1cecb20

30329632 has 48 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 14128128.

The previous prime is 30329597. The next prime is 30329633. The reversal of 30329632 is 23692303.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 30329632.

It is not an unprimeable number, because it can be changed into a prime (30329633) 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, 68869 + ... + 69307.

It is an arithmetic number, because the mean of its divisors is an integer number (1330560).

Almost surely, 230329632 is an apocalyptic number.

30329632 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30329632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31933440).

30329632 is an abundant number, since it is smaller than the sum of its proper divisors (33537248).

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

30329632 is a wasteful number, since it uses less digits than its factorization.

30329632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 585 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The square root of 30329632 is about 5507.2345147088. The cubic root of 30329632 is about 311.8571557374.

The spelling of 30329632 in words is "thirty million, three hundred twenty-nine thousand, six hundred thirty-two".

Divisors: 1 2 4 8 16 17 32 34 68 127 136 254 272 439 508 544 878 1016 1756 2032 2159 3512 4064 4318 7024 7463 8636 14048 14926 17272 29852 34544 55753 59704 69088 111506 119408 223012 238816 446024 892048 947801 1784096 1895602 3791204 7582408 15164816 30329632