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2045538 = 2321110331
BaseRepresentation
bin111110011011001100010
310211220221200
413303121202
51010424123
6111502030
723246445
oct7633142
93756850
102045538
111177930
12827916
135680a1
143b365c
152a6143
hex1f3662

2045538 has 24 divisors (see below), whose sum is σ = 4835376. Its totient is φ = 619800.

The previous prime is 2045509. The next prime is 2045539. The reversal of 2045538 is 8355402.

It is not an unprimeable number, because it can be changed into a prime (2045539) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4968 + ... + 5363.

It is an arithmetic number, because the mean of its divisors is an integer number (201474).

22045538 is an apocalyptic number.

2045538 is an abundant number, since it is smaller than the sum of its proper divisors (2789838).

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

2045538 is a wasteful number, since it uses less digits than its factorization.

2045538 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350 (or 10347 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 2045538 is about 1430.2230595260. The cubic root of 2045538 is about 126.9411759738.

The spelling of 2045538 in words is "two million, forty-five thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 9 11 18 22 33 66 99 198 10331 20662 30993 61986 92979 113641 185958 227282 340923 681846 1022769 2045538