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2000070 = 232571313
BaseRepresentation
bin111101000010011000110
310202121120200
413220103012
51003000240
6110511330
723000052
oct7502306
93677520
102000070
111146756
12805546
13550497
143a0c62
15297930
hex1e84c6

2000070 has 48 divisors (see below), whose sum is σ = 5290272. Its totient is φ = 524160.

The previous prime is 2000039. The next prime is 2000081. The reversal of 2000070 is 700002.

It is a Harshad number since it is a multiple of its sum of digits (9).

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, 6234 + ... + 6546.

It is an arithmetic number, because the mean of its divisors is an integer number (110214).

22000070 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2000070, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2645136).

2000070 is an abundant number, since it is smaller than the sum of its proper divisors (3290202).

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

2000070 is a wasteful number, since it uses less digits than its factorization.

2000070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397 (or 394 counting only the distinct ones).

The product of its (nonzero) digits is 14, while the sum is 9.

The square root of 2000070 is about 1414.2383108939. The cubic root of 2000070 is about 125.9935748802.

Adding to 2000070 its reverse (700002), we get a palindrome (2700072).

The spelling of 2000070 in words is "two million, seventy", and thus it is an aban number and an uban number.

Divisors: 1 2 3 5 6 9 10 15 18 30 45 71 90 142 213 313 355 426 626 639 710 939 1065 1278 1565 1878 2130 2817 3130 3195 4695 5634 6390 9390 14085 22223 28170 44446 66669 111115 133338 200007 222230 333345 400014 666690 1000035 2000070