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381501068 = 2213471391123
BaseRepresentation
bin10110101111010…
…011111010001100
3222120212021002012
4112233103322030
51240131013233
6101504520352
712311464004
oct2657237214
9876767065
10381501068
11186390443
12a79200b8
13610654a0
143894b004
152375c548
hex16bd3e8c

381501068 has 48 divisors (see below), whose sum is σ = 740221440. Its totient is φ = 170938944.

The previous prime is 381501067. The next prime is 381501073. The reversal of 381501068 is 860105183.

It is a super-3 number, since 3×3815010683 (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (381501067) 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 15 ways as a sum of consecutive naturals, for example, 339155 + ... + 340277.

It is an arithmetic number, because the mean of its divisors is an integer number (15421280).

Almost surely, 2381501068 is an apocalyptic number.

It is an amenable number.

381501068 is a deficient number, since it is larger than the sum of its proper divisors (358720372).

381501068 is a wasteful number, since it uses less digits than its factorization.

381501068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1326 (or 1324 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 32.

The square root of 381501068 is about 19532.0523243207. The cubic root of 381501068 is about 725.2681167673.

The spelling of 381501068 in words is "three hundred eighty-one million, five hundred one thousand, sixty-eight".

Divisors: 1 2 4 13 26 47 52 94 139 188 278 556 611 1123 1222 1807 2246 2444 3614 4492 6533 7228 13066 14599 26132 29198 52781 58396 84929 105562 156097 169858 211124 312194 339716 624388 686153 1372306 2029261 2744612 4058522 7336559 8117044 14673118 29346236 95375267 190750534 381501068