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102422544 = 243736221
BaseRepresentation
bin1100001101011…
…01100000010000
321010201121022120
412012231200100
5202210010134
614055134240
72352402000
oct606554020
9233647276
10102422544
11528a6634
122a374380
13182b1373
14d862000
158ed2649
hex61ad810

102422544 has 80 divisors (see below), whose sum is σ = 308611200. Its totient is φ = 29258880.

The previous prime is 102422539. The next prime is 102422587. The reversal of 102422544 is 445224201.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 14.

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, 13354 + ... + 19574.

It is an arithmetic number, because the mean of its divisors is an integer number (3857640).

Almost surely, 2102422544 is an apocalyptic number.

102422544 is a gapful number since it is divisible by the number (14) 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 102422544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154305600).

102422544 is an abundant number, since it is smaller than the sum of its proper divisors (206188656).

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

102422544 is an equidigital number, since it uses as much as digits as its factorization.

102422544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6253 (or 6233 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 102422544 is about 10120.4023635427. The cubic root of 102422544 is about 467.8771684364.

Adding to 102422544 its reverse (445224201), we get a palindrome (547646745).

The spelling of 102422544 in words is "one hundred two million, four hundred twenty-two thousand, five hundred forty-four".

Divisors: 1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 49 56 84 98 112 147 168 196 294 336 343 392 588 686 784 1029 1176 1372 2058 2352 2744 4116 5488 6221 8232 12442 16464 18663 24884 37326 43547 49768 74652 87094 99536 130641 149304 174188 261282 298608 304829 348376 522564 609658 696752 914487 1045128 1219316 1828974 2090256 2133803 2438632 3657948 4267606 4877264 6401409 7315896 8535212 12802818 14631792 17070424 25605636 34140848 51211272 102422544