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385497 = 32729211
BaseRepresentation
bin1011110000111011001
3201120210200
41132013121
544313442
612132413
73163620
oct1360731
9646720
10385497
112436a2
12167109
13106608
14a06b7
157934c
hex5e1d9

385497 has 24 divisors (see below), whose sum is σ = 661440. Its totient is φ = 211680.

The previous prime is 385493. The next prime is 385501. The reversal of 385497 is 794583.

It is an interprime number because it is at equal distance from previous prime (385493) and next prime (385501).

It is not a de Polignac number, because 385497 - 22 = 385493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385493) 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 23 ways as a sum of consecutive naturals, for example, 1722 + ... + 1932.

It is an arithmetic number, because the mean of its divisors is an integer number (27560).

2385497 is an apocalyptic number.

It is an amenable number.

385497 is a deficient number, since it is larger than the sum of its proper divisors (275943).

385497 is a wasteful number, since it uses less digits than its factorization.

385497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253 (or 250 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 385497 is about 620.8840471457. The cubic root of 385497 is about 72.7791536536.

The spelling of 385497 in words is "three hundred eighty-five thousand, four hundred ninety-seven".

Divisors: 1 3 7 9 21 29 63 87 203 211 261 609 633 1477 1827 1899 4431 6119 13293 18357 42833 55071 128499 385497