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202001030 = 25721123407
BaseRepresentation
bin11000000101001…
…00101010000110
3112002002201022122
430002210222012
5403203013110
632013325542
75001660200
oct1402445206
9462081278
10202001030
11a402a400
12577968b2
1332b0804a
141cb83770
1512b02255
hexc0a4a86

202001030 has 72 divisors (see below), whose sum is σ = 465048864. Its totient is φ = 62942880.

The previous prime is 202001003. The next prime is 202001039. The reversal of 202001030 is 30100202.

It is a super-2 number, since 2×2020010302 = 81608832242121800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 202000999 and 202001017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202001039) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 57587 + ... + 60993.

It is an arithmetic number, because the mean of its divisors is an integer number (6459012).

Almost surely, 2202001030 is an apocalyptic number.

202001030 is an abundant number, since it is smaller than the sum of its proper divisors (263047834).

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

202001030 is a wasteful number, since it uses less digits than its factorization.

202001030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 202001030 is about 14212.7066387793. The cubic root of 202001030 is about 586.7474281179.

Adding to 202001030 its reverse (30100202), we get a palindrome (232101232).

The spelling of 202001030 in words is "two hundred two million, one thousand, thirty".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 121 154 242 245 385 490 539 605 770 847 1078 1210 1694 2695 3407 4235 5390 5929 6814 8470 11858 17035 23849 29645 34070 37477 47698 59290 74954 119245 166943 187385 238490 262339 333886 374770 412247 524678 824494 834715 1311695 1669430 1836373 2061235 2623390 2885729 3672746 4122470 5771458 9181865 14428645 18363730 20200103 28857290 40400206 101000515 202001030