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100514220 = 22354338959
BaseRepresentation
bin1011111110110…
…11100110101100
321000010122120220
411333123212230
5201212423340
613550211340
72330233242
oct577334654
9230118526
10100514220
1151812904
12297b3b50
1317a93891
14d4c6792
158c56ed0
hex5fdb9ac

100514220 has 48 divisors (see below), whose sum is σ = 287992320. Its totient is φ = 26179776.

The previous prime is 100514201. The next prime is 100514231. The reversal of 100514220 is 22415001.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 100514220.

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, 16900 + ... + 22059.

It is an arithmetic number, because the mean of its divisors is an integer number (5999840).

Almost surely, 2100514220 is an apocalyptic number.

100514220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100514220 is an abundant number, since it is smaller than the sum of its proper divisors (187478100).

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

100514220 is a wasteful number, since it uses less digits than its factorization.

100514220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39014 (or 39012 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 100514220 is about 10025.6780319338. The cubic root of 100514220 is about 464.9531228036.

Adding to 100514220 its reverse (22415001), we get a palindrome (122929221).

It can be divided in two parts, 1005 and 14220, that added together give a triangular number (15225 = T174).

The spelling of 100514220 in words is "one hundred million, five hundred fourteen thousand, two hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 43 60 86 129 172 215 258 430 516 645 860 1290 2580 38959 77918 116877 155836 194795 233754 389590 467508 584385 779180 1168770 1675237 2337540 3350474 5025711 6700948 8376185 10051422 16752370 20102844 25128555 33504740 50257110 100514220