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385929 = 32137313
BaseRepresentation
bin1011110001110001001
3201121101200
41132032021
544322204
612134413
73165105
oct1361611
9647350
10385929
11243a55
12167409
1310687b
14a0905
1579539
hex5e389

385929 has 12 divisors (see below), whose sum is σ = 563316. Its totient is φ = 254592.

The previous prime is 385927. The next prime is 385939. The reversal of 385929 is 929583.

It can be written as a sum of positive squares in 2 ways, for example, as 81225 + 304704 = 285^2 + 552^2 .

It is not a de Polignac number, because 385929 - 21 = 385927 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 385893 and 385902.

It is not an unprimeable number, because it can be changed into a prime (385927) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1077 + ... + 1389.

It is an arithmetic number, because the mean of its divisors is an integer number (46943).

2385929 is an apocalyptic number.

It is an amenable number.

385929 is a deficient number, since it is larger than the sum of its proper divisors (177387).

385929 is a wasteful number, since it uses less digits than its factorization.

385929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456 (or 453 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 385929 is about 621.2318407809. The cubic root of 385929 is about 72.8063297036.

The spelling of 385929 in words is "three hundred eighty-five thousand, nine hundred twenty-nine".

Divisors: 1 3 9 137 313 411 939 1233 2817 42881 128643 385929