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2058140 = 225761241
BaseRepresentation
bin111110110011110011100
310212120020102
413312132130
51011330030
6112040232
723331260
oct7663634
93776212
102058140
111186347
12833078
13570a46
143b80a0
152a9c45
hex1f679c

2058140 has 48 divisors (see below), whose sum is σ = 5041344. Its totient is φ = 691200.

The previous prime is 2058131. The next prime is 2058143. The reversal of 2058140 is 418502.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2058143) 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, 8420 + ... + 8660.

It is an arithmetic number, because the mean of its divisors is an integer number (105028).

22058140 is an apocalyptic number.

2058140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2058140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2520672).

2058140 is an abundant number, since it is smaller than the sum of its proper divisors (2983204).

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

2058140 is a wasteful number, since it uses less digits than its factorization.

2058140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318 (or 316 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2058140 is about 1434.6219014082. The cubic root of 2058140 is about 127.2013257512.

The spelling of 2058140 in words is "two million, fifty-eight thousand, one hundred forty".

Divisors: 1 2 4 5 7 10 14 20 28 35 61 70 122 140 241 244 305 427 482 610 854 964 1205 1220 1687 1708 2135 2410 3374 4270 4820 6748 8435 8540 14701 16870 29402 33740 58804 73505 102907 147010 205814 294020 411628 514535 1029070 2058140