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100083080 = 23517532777
BaseRepresentation
bin1011111011100…
…10010110001000
320222022202011202
411331302112020
5201110124310
613533043332
72323456256
oct575622610
9228282152
10100083080
1151548999
1229626548
1317972576
14d4135d6
158bbe3a5
hex5f72588

100083080 has 64 divisors (see below), whose sum is σ = 243019440. Its totient is φ = 36954112.

The previous prime is 100083047. The next prime is 100083101. The reversal of 100083080 is 80380001.

It can be written as a sum of positive squares in 8 ways, for example, as 50154724 + 49928356 = 7082^2 + 7066^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 34652 + ... + 37428.

Almost surely, 2100083080 is an apocalyptic number.

100083080 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 100083080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121509720).

100083080 is an abundant number, since it is smaller than the sum of its proper divisors (142936360).

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

100083080 is a wasteful number, since it uses less digits than its factorization.

100083080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2858 (or 2854 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 100083080 is about 10004.1531375724. The cubic root of 100083080 is about 464.2873888472.

The spelling of 100083080 in words is "one hundred million, eighty-three thousand, eighty".

Divisors: 1 2 4 5 8 10 17 20 34 40 53 68 85 106 136 170 212 265 340 424 530 680 901 1060 1802 2120 2777 3604 4505 5554 7208 9010 11108 13885 18020 22216 27770 36040 47209 55540 94418 111080 147181 188836 236045 294362 377672 472090 588724 735905 944180 1177448 1471810 1888360 2502077 2943620 5004154 5887240 10008308 12510385 20016616 25020770 50041540 100083080