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102230560 = 2553120611
BaseRepresentation
bin1100001011111…
…10101000100000
321010100211222001
412011332220200
5202132334220
614051053344
72350642165
oct605765040
9233324861
10102230560
1152785373
122a2a1254
1318244b73
14d81206c
158e9580a
hex617ea20

102230560 has 48 divisors (see below), whose sum is σ = 249322752. Its totient is φ = 39571200.

The previous prime is 102230551. The next prime is 102230563. The reversal of 102230560 is 65032201.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (102230563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5346 + ... + 15265.

It is an arithmetic number, because the mean of its divisors is an integer number (5194224).

Almost surely, 2102230560 is an apocalyptic number.

102230560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102230560 is an abundant number, since it is smaller than the sum of its proper divisors (147092192).

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

102230560 is a wasteful number, since it uses less digits than its factorization.

102230560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20657 (or 20649 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 102230560 is about 10110.9129162504. The cubic root of 102230560 is about 467.5846510900.

Adding to 102230560 its reverse (65032201), we get a palindrome (167262761).

The spelling of 102230560 in words is "one hundred two million, two hundred thirty thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 80 124 155 160 248 310 496 620 992 1240 2480 4960 20611 41222 82444 103055 164888 206110 329776 412220 638941 659552 824440 1277882 1648880 2555764 3194705 3297760 5111528 6389410 10223056 12778820 20446112 25557640 51115280 102230560