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102213384 = 233713172753
BaseRepresentation
bin1100001011110…
…10011100001000
321010022222101220
412011322130020
5202131312014
614050442040
72350541130
oct605723410
9233288356
10102213384
1152773479
122a293320
131823a0c0
14d809ac0
158e906a9
hex617a708

102213384 has 128 divisors (see below), whose sum is σ = 333123840. Its totient is φ = 25362432.

The previous prime is 102213383. The next prime is 102213413. The reversal of 102213384 is 483312201.

102213384 = T447 + T448 + ... + T888.

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

It is not an unprimeable number, because it can be changed into a prime (102213383) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35752 + ... + 38504.

It is an arithmetic number, because the mean of its divisors is an integer number (2602530).

Almost surely, 2102213384 is an apocalyptic number.

102213384 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 102213384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (166561920).

102213384 is an abundant number, since it is smaller than the sum of its proper divisors (230910456).

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

102213384 is a wasteful number, since it uses less digits than its factorization.

102213384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2799 (or 2795 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 102213384 is about 10110.0635012843. The cubic root of 102213384 is about 467.5584629528.

Adding to 102213384 its reverse (483312201), we get a palindrome (585525585).

The spelling of 102213384 in words is "one hundred two million, two hundred thirteen thousand, three hundred eighty-four".

Divisors: 1 2 3 4 6 7 8 12 13 14 17 21 24 26 28 34 39 42 51 52 56 68 78 84 91 102 104 119 136 156 168 182 204 221 238 273 312 357 364 408 442 476 546 663 714 728 884 952 1092 1326 1428 1547 1768 2184 2652 2753 2856 3094 4641 5304 5506 6188 8259 9282 11012 12376 16518 18564 19271 22024 33036 35789 37128 38542 46801 57813 66072 71578 77084 93602 107367 115626 140403 143156 154168 187204 214734 231252 250523 280806 286312 327607 374408 429468 462504 501046 561612 608413 655214 751569 858936 982821 1002092 1123224 1216826 1310428 1503138 1825239 1965642 2004184 2433652 2620856 3006276 3650478 3931284 4258891 4867304 6012552 7300956 7862568 8517782 12776673 14601912 17035564 25553346 34071128 51106692 102213384