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398073 = 31359173
BaseRepresentation
bin1100001001011111001
3202020001110
41201023321
5100214243
612310533
73245364
oct1411371
9666043
10398073
11252095
12172449
1310c260
14a50db
157ce33
hex612f9

398073 has 16 divisors (see below), whose sum is σ = 584640. Its totient is φ = 239424.

The previous prime is 398063. The next prime is 398077. The reversal of 398073 is 370893.

It is not a de Polignac number, because 398073 - 212 = 393977 is a prime.

It is a super-2 number, since 2×3980732 = 316924226658, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 398073.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 398073.

It is not an unprimeable number, because it can be changed into a prime (398077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2215 + ... + 2387.

It is an arithmetic number, because the mean of its divisors is an integer number (36540).

2398073 is an apocalyptic number.

It is an amenable number.

398073 is a deficient number, since it is larger than the sum of its proper divisors (186567).

398073 is a wasteful number, since it uses less digits than its factorization.

398073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 398073 is about 630.9302655603. The cubic root of 398073 is about 73.5621206507.

The spelling of 398073 in words is "three hundred ninety-eight thousand, seventy-three".

Divisors: 1 3 13 39 59 173 177 519 767 2249 2301 6747 10207 30621 132691 398073