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30030039 = 32134347127
BaseRepresentation
bin111001010001…
…1100011010111
32002111200110200
41302203203113
530141430124
62551351543
7513152064
oct162434327
962450420
1030030039
1115a51016
12a0825b3
1362b5870
143db9c6b
152982bc9
hex1ca38d7

30030039 has 48 divisors (see below), whose sum is σ = 49201152. Its totient is φ = 17527104.

The previous prime is 30030037. The next prime is 30030043. The reversal of 30030039 is 93003003.

It is not a de Polignac number, because 30030039 - 21 = 30030037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030031) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236394 + ... + 236520.

It is an arithmetic number, because the mean of its divisors is an integer number (1025024).

Almost surely, 230030039 is an apocalyptic number.

30030039 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

30030039 is a deficient number, since it is larger than the sum of its proper divisors (19171113).

30030039 is a wasteful number, since it uses less digits than its factorization.

30030039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 233 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 30030039 is about 5479.9670619448. The cubic root of 30030039 is about 310.8269250636.

The spelling of 30030039 in words is "thirty million, thirty thousand, thirty-nine".

Divisors: 1 3 9 13 39 43 47 117 127 129 141 381 387 423 559 611 1143 1651 1677 1833 2021 4953 5031 5461 5499 5969 6063 14859 16383 17907 18189 26273 49149 53721 70993 77597 78819 212979 232791 236457 256667 638937 698373 770001 2310003 3336671 10010013 30030039