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1414621780 = 2251113601823
BaseRepresentation
bin101010001010001…
…0110101001010100
310122120212020021021
41110110112221110
510344120344110
6352212130524
750025041515
oct12424265124
93576766237
101414621780
11666576310
12335906a44
131970cac10
14d5c3aa0c
15842d22da
hex54516a54

1414621780 has 96 divisors (see below), whose sum is σ = 3500114688. Its totient is φ = 473472000.

The previous prime is 1414621771. The next prime is 1414621787. The reversal of 1414621780 is 871264141.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1414621787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1718449 + ... + 1719271.

It is an arithmetic number, because the mean of its divisors is an integer number (36459528).

Almost surely, 21414621780 is an apocalyptic number.

1414621780 is a gapful number since it is divisible by the number (10) 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 1414621780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1750057344).

1414621780 is an abundant number, since it is smaller than the sum of its proper divisors (2085492908).

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

1414621780 is a wasteful number, since it uses less digits than its factorization.

1414621780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1457 (or 1455 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 1414621780 is about 37611.4580945754. The cubic root of 1414621780 is about 1122.5700387678.

The spelling of 1414621780 in words is "one billion, four hundred fourteen million, six hundred twenty-one thousand, seven hundred eighty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 601 715 823 1202 1430 1646 2404 2860 3005 3292 4115 6010 6611 7813 8230 9053 10699 12020 13222 15626 16460 18106 21398 26444 31252 33055 36212 39065 42796 45265 53495 66110 78130 85943 90530 106990 117689 132220 156260 171886 181060 213980 235378 343772 429715 470756 494623 588445 859430 989246 1176890 1718860 1978492 2353780 2473115 4946230 5440853 6430099 9892460 10881706 12860198 21763412 25720396 27204265 32150495 54408530 64300990 70731089 108817060 128601980 141462178 282924356 353655445 707310890 1414621780