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102708444 = 223411071951
BaseRepresentation
bin1100001111100…
…11010011011100
321011021010111110
412013303103130
5202243132234
614105222020
72355002346
oct607632334
9234233443
10102708444
1152a81413
122a491910
1318381537
14d8d8296
15903c1e9
hex61f34dc

102708444 has 48 divisors (see below), whose sum is σ = 247919616. Its totient is φ = 33072000.

The previous prime is 102708443. The next prime is 102708449. The reversal of 102708444 is 444807201.

It is a super-2 number, since 2×1027084442 = 21098048937802272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102708443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51669 + ... + 53619.

It is an arithmetic number, because the mean of its divisors is an integer number (5164992).

Almost surely, 2102708444 is an apocalyptic number.

It is an amenable number.

102708444 is an abundant number, since it is smaller than the sum of its proper divisors (145211172).

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

102708444 is a wasteful number, since it uses less digits than its factorization.

102708444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2106 (or 2104 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 30.

The square root of 102708444 is about 10134.5174527453. The cubic root of 102708444 is about 468.3121046201.

The spelling of 102708444 in words is "one hundred two million, seven hundred eight thousand, four hundred forty-four".

Divisors: 1 2 3 4 6 12 41 82 107 123 164 214 246 321 428 492 642 1284 1951 3902 4387 5853 7804 8774 11706 13161 17548 23412 26322 52644 79991 159982 208757 239973 319964 417514 479946 626271 835028 959892 1252542 2505084 8559037 17118074 25677111 34236148 51354222 102708444