Search a number
-
+
103055020 = 22517476449
BaseRepresentation
bin1100010010001…
…11111010101100
321011220201220121
412021013322230
5202340230040
614120454324
72360644645
oct611077254
9234821817
10103055020
1153198842
122a61a3a4
1318473203
14d9886cc
1590a9c4a
hex6247eac

103055020 has 48 divisors (see below), whose sum is σ = 234057600. Its totient is φ = 37965824.

The previous prime is 103055011. The next prime is 103055033. The reversal of 103055020 is 20550301.

It is a junction number, because it is equal to n+sod(n) for n = 103054985 and 103055003.

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, 12756 + ... + 19204.

It is an arithmetic number, because the mean of its divisors is an integer number (4876200).

Almost surely, 2103055020 is an apocalyptic number.

103055020 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 103055020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117028800).

103055020 is an abundant number, since it is smaller than the sum of its proper divisors (131002580).

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

103055020 is a wasteful number, since it uses less digits than its factorization.

103055020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6522 (or 6520 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 103055020 is about 10151.6018440441. The cubic root of 103055020 is about 468.8382655712.

The spelling of 103055020 in words is "one hundred three million, fifty-five thousand, twenty".

Divisors: 1 2 4 5 10 17 20 34 47 68 85 94 170 188 235 340 470 799 940 1598 3196 3995 6449 7990 12898 15980 25796 32245 64490 109633 128980 219266 303103 438532 548165 606206 1096330 1212412 1515515 2192660 3031030 5152751 6062060 10305502 20611004 25763755 51527510 103055020