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331300442 = 211373671109
BaseRepresentation
bin10011101111110…
…011111001011010
3212002101210202202
4103233303321122
51134303103232
652512530202
711132002334
oct2357637132
9762353682
10331300442
11160012a20
1292b50962
1353839985
1432000454
151e143162
hex13bf3e5a

331300442 has 32 divisors (see below), whose sum is σ = 558800640. Its totient is φ = 145990080.

The previous prime is 331300439. The next prime is 331300451. The reversal of 331300442 is 244003133.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 298184 + ... + 299292.

It is an arithmetic number, because the mean of its divisors is an integer number (17462520).

Almost surely, 2331300442 is an apocalyptic number.

331300442 is a deficient number, since it is larger than the sum of its proper divisors (227500198).

331300442 is a wasteful number, since it uses less digits than its factorization.

331300442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1526.

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

The square root of 331300442 is about 18201.6604187640. The cubic root of 331300442 is about 691.9488710595.

Adding to 331300442 its reverse (244003133), we get a palindrome (575303575).

The spelling of 331300442 in words is "three hundred thirty-one million, three hundred thousand, four hundred forty-two".

Divisors: 1 2 11 22 37 74 367 407 734 814 1109 2218 4037 8074 12199 13579 24398 27158 41033 82066 149369 298738 407003 451363 814006 902726 4477033 8954066 15059111 30118222 165650221 331300442