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1955748828 = 2231125159029
BaseRepresentation
bin111010010010010…
…0101101111011100
312001022002100000210
41310210211233130
513001132430303
6522022252420
766315406425
oct16444455734
95038070023
101955748828
11913a73050
12466b87110
13252252837
14147a5a64c
15b6a71203
hex74925bdc

1955748828 has 48 divisors (see below), whose sum is σ = 4998188160. Its totient is φ = 590280000.

The previous prime is 1955748803. The next prime is 1955748841. The reversal of 1955748828 is 8288475591.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3618 + ... + 62646.

It is an arithmetic number, because the mean of its divisors is an integer number (104128920).

Almost surely, 21955748828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1955748828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2499094080).

1955748828 is an abundant number, since it is smaller than the sum of its proper divisors (3042439332).

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

1955748828 is a wasteful number, since it uses less digits than its factorization.

1955748828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59298 (or 59296 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 57.

The square root of 1955748828 is about 44223.8490862114. The cubic root of 1955748828 is about 1250.5594995042.

It can be divided in two parts, 195574 and 8828, that added together give a palindrome (204402).

The spelling of 1955748828 in words is "one billion, nine hundred fifty-five million, seven hundred forty-eight thousand, eight hundred twenty-eight".

Divisors: 1 2 3 4 6 11 12 22 33 44 66 132 251 502 753 1004 1506 2761 3012 5522 8283 11044 16566 33132 59029 118058 177087 236116 354174 649319 708348 1298638 1947957 2597276 3895914 7791828 14816279 29632558 44448837 59265116 88897674 162979069 177795348 325958138 488937207 651916276 977874414 1955748828