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331042430 = 2516721187
BaseRepresentation
bin10011101110110…
…100111001111110
3212001220200211202
4103232310321332
51134221324210
652503215502
711126546165
oct2356647176
9761820752
10331042430
1115a957094
1292a47592
13537793c4
1431d743dc
151e0e19a5
hex13bb4e7e

331042430 has 24 divisors (see below), whose sum is σ = 599970888. Its totient is φ = 131513168.

The previous prime is 331042417. The next prime is 331042433. The reversal of 331042430 is 34240133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331042433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 278297 + ... + 279483.

It is an arithmetic number, because the mean of its divisors is an integer number (24998787).

Almost surely, 2331042430 is an apocalyptic number.

331042430 is a deficient number, since it is larger than the sum of its proper divisors (268928458).

331042430 is a wasteful number, since it uses less digits than its factorization.

331042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1528 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 331042430 is about 18194.5714431530. The cubic root of 331042430 is about 691.7691978130.

Adding to 331042430 its reverse (34240133), we get a palindrome (365282563).

The spelling of 331042430 in words is "three hundred thirty-one million, forty-two thousand, four hundred thirty".

Divisors: 1 2 5 10 167 334 835 1187 1670 2374 5935 11870 27889 55778 139445 198229 278890 396458 991145 1982290 33104243 66208486 165521215 331042430