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30038877 = 3311101141
BaseRepresentation
bin111001010010…
…1101101011101
32002112010121000
41302211231131
530142221002
62551500513
7513216621
oct162455535
962463530
1030038877
1115a57720
12a087739
1362b98ab
143dbd181
15298561c
hex1ca5b5d

30038877 has 16 divisors (see below), whose sum is σ = 48548160. Its totient is φ = 18205200.

The previous prime is 30038849. The next prime is 30038891. The reversal of 30038877 is 77883003.

It is not a de Polignac number, because 30038877 - 211 = 30036829 is a prime.

It is a super-2 number, since 2×300388772 = 1804668262842258, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30038807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50274 + ... + 50867.

It is an arithmetic number, because the mean of its divisors is an integer number (3034260).

Almost surely, 230038877 is an apocalyptic number.

It is an amenable number.

30038877 is a deficient number, since it is larger than the sum of its proper divisors (18509283).

30038877 is a wasteful number, since it uses less digits than its factorization.

30038877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101161 (or 101155 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 30038877 is about 5480.7733943304. The cubic root of 30038877 is about 310.8574147444.

The spelling of 30038877 in words is "thirty million, thirty-eight thousand, eight hundred seventy-seven".

Divisors: 1 3 9 11 27 33 99 297 101141 303423 910269 1112551 2730807 3337653 10012959 30038877