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880038 = 23343379
BaseRepresentation
bin11010110110110100110
31122201012000
43112312212
5211130123
630510130
710323465
oct3266646
91581160
10880038
11551205
12365346
1324a743
1418c9dc
15125b43
hexd6da6

880038 has 32 divisors (see below), whose sum is σ = 2006400. Its totient is φ = 285768.

The previous prime is 880031. The next prime is 880043. The reversal of 880038 is 830088.

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

It is a junction number, because it is equal to n+sod(n) for n = 879993 and 880020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (880031) by changing a digit.

880038 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2133 + ... + 2511.

It is an arithmetic number, because the mean of its divisors is an integer number (62700).

2880038 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 880038, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003200).

880038 is an abundant number, since it is smaller than the sum of its proper divisors (1126362).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

880038 is a wasteful number, since it uses less digits than its factorization.

880038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 880038 is about 938.1034058141. The cubic root of 880038 is about 95.8297764695.

The spelling of 880038 in words is "eight hundred eighty thousand, thirty-eight".

Divisors: 1 2 3 6 9 18 27 43 54 86 129 258 379 387 758 774 1137 1161 2274 2322 3411 6822 10233 16297 20466 32594 48891 97782 146673 293346 440019 880038