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381077504 = 2113747107
BaseRepresentation
bin10110101101101…
…100100000000000
3222120001202001122
4112231230200000
51240023440004
6101451451412
712305051063
oct2655544000
9876052048
10381077504
11186121195
12a7756b68
1360c47762
143887a8da
15236c6cbe
hex16b6c800

381077504 has 96 divisors (see below), whose sum is σ = 806682240. Its totient is φ = 179748864.

The previous prime is 381077503. The next prime is 381077507. The reversal of 381077504 is 405770183.

It is not an unprimeable number, because it can be changed into a prime (381077503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3561419 + ... + 3561525.

It is an arithmetic number, because the mean of its divisors is an integer number (8402940).

Almost surely, 2381077504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 381077504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (403341120).

381077504 is an abundant number, since it is smaller than the sum of its proper divisors (425604736).

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

381077504 is a wasteful number, since it uses less digits than its factorization.

381077504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 381077504 is about 19521.2065200899. The cubic root of 381077504 is about 724.9996061829. Note that the first 3 decimals are identical.

The spelling of 381077504 in words is "three hundred eighty-one million, seventy-seven thousand, five hundred four".

Divisors: 1 2 4 8 16 32 37 47 64 74 94 107 128 148 188 214 256 296 376 428 512 592 752 856 1024 1184 1504 1712 1739 2048 2368 3008 3424 3478 3959 4736 5029 6016 6848 6956 7918 9472 10058 12032 13696 13912 15836 18944 20116 24064 27392 27824 31672 37888 40232 48128 54784 55648 63344 75776 80464 96256 109568 111296 126688 160928 186073 219136 222592 253376 321856 372146 445184 506752 643712 744292 890368 1013504 1287424 1488584 1780736 2027008 2574848 2977168 3561472 4054016 5149696 5954336 8108032 10299392 11908672 23817344 47634688 95269376 190538752 381077504