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30102941 = 113721999
BaseRepresentation
bin111001011010…
…1010110011101
32002122101110202
41302311112131
530201243231
62553113245
7513604451
oct162652635
962571422
1030102941
1115aa0870
12a0b8825
13630cabb
143dd8661
1529995cb
hex1cb559d

30102941 has 12 divisors (see below), whose sum is σ = 33768000. Its totient is φ = 26613360.

The previous prime is 30102923. The next prime is 30102959. The reversal of 30102941 is 14920103.

It is an interprime number because it is at equal distance from previous prime (30102923) and next prime (30102959).

It is not a de Polignac number, because 30102941 - 222 = 25908637 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30102911) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14060 + ... + 16058.

It is an arithmetic number, because the mean of its divisors is an integer number (2814000).

Almost surely, 230102941 is an apocalyptic number.

It is an amenable number.

30102941 is a deficient number, since it is larger than the sum of its proper divisors (3665059).

30102941 is a wasteful number, since it uses less digits than its factorization.

30102941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2084 (or 2047 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 30102941 is about 5486.6147121882. The cubic root of 30102941 is about 311.0782466655.

The spelling of 30102941 in words is "thirty million, one hundred two thousand, nine hundred forty-one".

Divisors: 1 11 37 407 1369 1999 15059 21989 73963 813593 2736631 30102941