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385481941 = 13283104779
BaseRepresentation
bin10110111110011…
…111110011010101
3222212100111210221
4112332133303111
51242140410231
6102130114341
712360354025
oct2676376325
9885314727
10385481941
1118865a319
12a911b9b1
1361b2a430
14392a5a85
1523c96d11
hex16f9fcd5

385481941 has 8 divisors (see below), whose sum is σ = 416605280. Its totient is φ = 354568752.

The previous prime is 385481927. The next prime is 385481983. The reversal of 385481941 is 149184583.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 385481941 - 27 = 385481813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385481911) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48711 + ... + 56068.

It is an arithmetic number, because the mean of its divisors is an integer number (52075660).

Almost surely, 2385481941 is an apocalyptic number.

It is an amenable number.

385481941 is a deficient number, since it is larger than the sum of its proper divisors (31123339).

385481941 is a wasteful number, since it uses less digits than its factorization.

385481941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105075.

The product of its digits is 138240, while the sum is 43.

The square root of 385481941 is about 19633.6940232856. The cubic root of 385481941 is about 727.7820596312.

The spelling of 385481941 in words is "three hundred eighty-five million, four hundred eighty-one thousand, nine hundred forty-one".

Divisors: 1 13 283 3679 104779 1362127 29652457 385481941