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381358716 = 223734191039
BaseRepresentation
bin10110101110110…
…001001001111100
3222120121000210220
4112232301021330
51240111434331
6101501501340
712310331664
oct2656611174
9876530726
10381358716
111862a34a2
12a7871850
136101575b
14389111a4
1523730296
hex16bb127c

381358716 has 48 divisors (see below), whose sum is σ = 905049600. Its totient is φ = 124958592.

The previous prime is 381358697. The next prime is 381358717. The reversal of 381358716 is 617853183.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (381358717) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 366525 + ... + 367563.

It is an arithmetic number, because the mean of its divisors is an integer number (18855200).

Almost surely, 2381358716 is an apocalyptic number.

It is an amenable number.

381358716 is an abundant number, since it is smaller than the sum of its proper divisors (523690884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

381358716 is a wasteful number, since it uses less digits than its factorization.

381358716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538 (or 1536 counting only the distinct ones).

The product of its digits is 120960, while the sum is 42.

The square root of 381358716 is about 19528.4079228185. The cubic root of 381358716 is about 725.1778975258.

The spelling of 381358716 in words is "three hundred eighty-one million, three hundred fifty-eight thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 73 146 219 292 419 438 838 876 1039 1257 1676 2078 2514 3117 4156 5028 6234 12468 30587 61174 75847 91761 122348 151694 183522 227541 303388 367044 435341 455082 870682 910164 1306023 1741364 2612046 5224092 31779893 63559786 95339679 127119572 190679358 381358716