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381051476 = 221323573109
BaseRepresentation
bin10110101101100…
…110001001010100
3222120000102100122
4112231212021110
51240022121401
6101451131112
712304612151
oct2655461124
9876012318
10381051476
11186103683
12a7743a98
1360c38960
1438871228
15236be21b
hex16b66254

381051476 has 24 divisors (see below), whose sum is σ = 718671240. Its totient is φ = 175738752.

The previous prime is 381051443. The next prime is 381051491. The reversal of 381051476 is 674150183.

It can be written as a sum of positive squares in 4 ways, for example, as 8561476 + 372490000 = 2926^2 + 19300^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 121010 + ... + 124118.

It is an arithmetic number, because the mean of its divisors is an integer number (29944635).

Almost surely, 2381051476 is an apocalyptic number.

It is an amenable number.

381051476 is a deficient number, since it is larger than the sum of its proper divisors (337619764).

381051476 is a wasteful number, since it uses less digits than its factorization.

381051476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5483 (or 5481 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 35.

The square root of 381051476 is about 19520.5398490923. The cubic root of 381051476 is about 724.9830997250.

The spelling of 381051476 in words is "three hundred eighty-one million, fifty-one thousand, four hundred seventy-six".

Divisors: 1 2 4 13 26 52 2357 3109 4714 6218 9428 12436 30641 40417 61282 80834 122564 161668 7327913 14655826 29311652 95262869 190525738 381051476