Search a number
-
+
102446880 = 2535534027
BaseRepresentation
bin1100001101100…
…11011100100000
321010202211200220
412012303130200
5202211300010
614055443040
72352532644
oct606633440
9233684626
10102446880
1152912948
122a386480
13182bc473
14d86ac24
158ed9970
hex61b3720

102446880 has 96 divisors (see below), whose sum is σ = 328878144. Its totient is φ = 26797056.

The previous prime is 102446873. The next prime is 102446957. The reversal of 102446880 is 88644201.

It is a tau number, because it is divible by the number of its divisors (96).

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, 23427 + ... + 27453.

It is an arithmetic number, because the mean of its divisors is an integer number (3425814).

Almost surely, 2102446880 is an apocalyptic number.

102446880 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 102446880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (164439072).

102446880 is an abundant number, since it is smaller than the sum of its proper divisors (226431264).

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

102446880 is a wasteful number, since it uses less digits than its factorization.

102446880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098 (or 4090 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 102446880 is about 10121.6046158700. The cubic root of 102446880 is about 467.9142219881.

The spelling of 102446880 in words is "one hundred two million, four hundred forty-six thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 53 60 80 96 106 120 159 160 212 240 265 318 424 480 530 636 795 848 1060 1272 1590 1696 2120 2544 3180 4027 4240 5088 6360 8054 8480 12081 12720 16108 20135 24162 25440 32216 40270 48324 60405 64432 80540 96648 120810 128864 161080 193296 213431 241620 322160 386592 426862 483240 640293 644320 853724 966480 1067155 1280586 1707448 1932960 2134310 2561172 3201465 3414896 4268620 5122344 6402930 6829792 8537240 10244688 12805860 17074480 20489376 25611720 34148960 51223440 102446880