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388532 = 22137709
BaseRepresentation
bin1011110110110110100
3201201222002
41132312310
544413112
612154432
73205514
oct1366664
9651862
10388532
11245a01
12168a18
13107b01
14a1844
157a1c2
hex5edb4

388532 has 12 divisors (see below), whose sum is σ = 685860. Its totient is φ = 192576.

The previous prime is 388529. The next prime is 388541. The reversal of 388532 is 235883.

It can be written as a sum of positive squares in 2 ways, for example, as 132496 + 256036 = 364^2 + 506^2 .

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 388495 and 388504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 902.

It is an arithmetic number, because the mean of its divisors is an integer number (57155).

2388532 is an apocalyptic number.

It is an amenable number.

388532 is a deficient number, since it is larger than the sum of its proper divisors (297328).

388532 is a wasteful number, since it uses less digits than its factorization.

388532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850 (or 848 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 388532 is about 623.3233510787. The cubic root of 388532 is about 72.9696502349.

The spelling of 388532 in words is "three hundred eighty-eight thousand, five hundred thirty-two".

Divisors: 1 2 4 137 274 548 709 1418 2836 97133 194266 388532