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30907341 = 3231472357
BaseRepresentation
bin111010111100…
…1101111001101
32011011020220100
41311321233031
530403013331
63022241313
7523464603
oct165715715
964136810
1030907341
11164a0163
12a426239
136531c8a
144167873
152aa7ae6
hex1d79bcd

30907341 has 24 divisors (see below), whose sum is σ = 47084544. Its totient is φ = 19507680.

The previous prime is 30907339. The next prime is 30907351. The reversal of 30907341 is 14370903.

It is not a de Polignac number, because 30907341 - 21 = 30907339 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30907351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11935 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (1961856).

Almost surely, 230907341 is an apocalyptic number.

30907341 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30907341 is a deficient number, since it is larger than the sum of its proper divisors (16177203).

30907341 is a wasteful number, since it uses less digits than its factorization.

30907341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2441 (or 2438 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 30907341 is about 5559.4371117947. The cubic root of 30907341 is about 313.8247666560.

The spelling of 30907341 in words is "thirty million, nine hundred seven thousand, three hundred forty-one".

Divisors: 1 3 9 31 47 93 141 279 423 1457 2357 4371 7071 13113 21213 73067 110779 219201 332337 657603 997011 3434149 10302447 30907341