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842373 = 3374457
BaseRepresentation
bin11001101101010000101
31120210112000
43031222011
5203423443
630015513
710105620
oct3155205
91523460
10842373
11525984
12347599
1323655c
1417cdb7
151198d3
hexcda85

842373 has 16 divisors (see below), whose sum is σ = 1426560. Its totient is φ = 481248.

The previous prime is 842371. The next prime is 842383. The reversal of 842373 is 373248.

842373 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 842373 - 21 = 842371 is a prime.

It is a super-2 number, since 2×8423732 = 1419184542258, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 47 + 35 + 23 + 77 + 37 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842371) 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, 2040 + ... + 2417.

It is an arithmetic number, because the mean of its divisors is an integer number (89160).

2842373 is an apocalyptic number.

It is an amenable number.

842373 is a deficient number, since it is larger than the sum of its proper divisors (584187).

842373 is a wasteful number, since it uses less digits than its factorization.

842373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473 (or 4467 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 842373 is about 917.8088036187. The cubic root of 842373 is about 94.4426459737.

The spelling of 842373 in words is "eight hundred forty-two thousand, three hundred seventy-three".

Divisors: 1 3 7 9 21 27 63 189 4457 13371 31199 40113 93597 120339 280791 842373