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103890480 = 24351922783
BaseRepresentation
bin1100011000100…
…11111000110000
321020111011221120
412030103320300
5203043443410
614150422240
72401024461
oct614237060
9236434846
10103890480
1153709501
122a961980
13186a6575
14db24d68
1591c2570
hex6313e30

103890480 has 80 divisors (see below), whose sum is σ = 339025920. Its totient is φ = 26244864.

The previous prime is 103890469. The next prime is 103890509. The reversal of 103890480 is 84098301.

It is a tau number, because it is divible by the number of its divisors (80).

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, 6832 + ... + 15951.

It is an arithmetic number, because the mean of its divisors is an integer number (4237824).

Almost surely, 2103890480 is an apocalyptic number.

103890480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103890480 is an abundant number, since it is smaller than the sum of its proper divisors (235135440).

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

103890480 is a wasteful number, since it uses less digits than its factorization.

103890480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22818 (or 22812 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 103890480 is about 10192.6679529944. The cubic root of 103890480 is about 470.1018038112.

The spelling of 103890480 in words is "one hundred three million, eight hundred ninety thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 380 456 570 760 912 1140 1520 2280 4560 22783 45566 68349 91132 113915 136698 182264 227830 273396 341745 364528 432877 455660 546792 683490 865754 911320 1093584 1298631 1366980 1731508 1822640 2164385 2597262 2733960 3463016 4328770 5194524 5467920 6493155 6926032 8657540 10389048 12986310 17315080 20778096 25972620 34630160 51945240 103890480