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385263744 = 2731003291
BaseRepresentation
bin10110111101101…
…010100010000000
3222211221102111120
4112331222202000
51242111414434
6102121312240
712355454625
oct2675524200
9884842446
10385263744
11188520398
12a9035680
1361a82018
143924a34c
1523c52349
hex16f6a880

385263744 has 32 divisors (see below), whose sum is σ = 1023357840. Its totient is φ = 128421120.

The previous prime is 385263737. The next prime is 385263761. The reversal of 385263744 is 447362583.

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 385263696 and 385263705.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 501262 + ... + 502029.

Almost surely, 2385263744 is an apocalyptic number.

It is an amenable number.

385263744 is an abundant number, since it is smaller than the sum of its proper divisors (638094096).

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

385263744 is a wasteful number, since it uses less digits than its factorization.

385263744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1003308 (or 1003296 counting only the distinct ones).

The product of its digits is 483840, while the sum is 42.

The square root of 385263744 is about 19628.1365391623. The cubic root of 385263744 is about 727.6447165490.

The spelling of 385263744 in words is "three hundred eighty-five million, two hundred sixty-three thousand, seven hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 64 96 128 192 384 1003291 2006582 3009873 4013164 6019746 8026328 12039492 16052656 24078984 32105312 48157968 64210624 96315936 128421248 192631872 385263744