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2078130 = 235531307
BaseRepresentation
bin111111011010110110010
310220120122210
413323112302
51013000010
6112312550
723443455
oct7732662
93816583
102078130
11119a36a
12842756
13579b82
143c149c
152b0b20
hex1fb5b2

2078130 has 32 divisors (see below), whose sum is σ = 5085504. Its totient is φ = 543296.

The previous prime is 2078123. The next prime is 2078149. The reversal of 2078130 is 318702.

It is a junction number, because it is equal to n+sod(n) for n = 2078097 and 2078106.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 937 + ... + 2243.

It is an arithmetic number, because the mean of its divisors is an integer number (158922).

22078130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2078130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2542752).

2078130 is an abundant number, since it is smaller than the sum of its proper divisors (3007374).

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

2078130 is a wasteful number, since it uses less digits than its factorization.

2078130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2078130 is about 1441.5720585527. The cubic root of 2078130 is about 127.6118203952.

The spelling of 2078130 in words is "two million, seventy-eight thousand, one hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 53 106 159 265 318 530 795 1307 1590 2614 3921 6535 7842 13070 19605 39210 69271 138542 207813 346355 415626 692710 1039065 2078130