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2042838 = 232731523
BaseRepresentation
bin111110010101111010110
310211210020200
413302233112
51010332323
6111441330
723235540
oct7625726
93753220
102042838
1111758a6
12826246
13566aa5
143b2690
152a5443
hex1f2bd6

2042838 has 48 divisors (see below), whose sum is σ = 5231616. Its totient is φ = 563760.

The previous prime is 2042819. The next prime is 2042849. The reversal of 2042838 is 8382402.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3645 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (108992).

22042838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2042838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2615808).

2042838 is an abundant number, since it is smaller than the sum of its proper divisors (3188778).

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

2042838 is a wasteful number, since it uses less digits than its factorization.

2042838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 569 (or 566 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 2042838 is about 1429.2788391353. The cubic root of 2042838 is about 126.8852995432.

The spelling of 2042838 in words is "two million, forty-two thousand, eight hundred thirty-eight".

Divisors: 1 2 3 6 7 9 14 18 21 31 42 62 63 93 126 186 217 279 434 523 558 651 1046 1302 1569 1953 3138 3661 3906 4707 7322 9414 10983 16213 21966 32426 32949 48639 65898 97278 113491 145917 226982 291834 340473 680946 1021419 2042838