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102103254 = 2351171269
BaseRepresentation
bin1100001010111…
…11100011010110
321010010101100000
412011133203112
5202114301004
614044232130
72346602061
oct605374326
9233111300
10102103254
11526a8760
122a23b646
13181cbc36
14d7bb8d8
158e6cc39
hex615f8d6

102103254 has 96 divisors (see below), whose sum is σ = 254741760. Its totient is φ = 30391200.

The previous prime is 102103237. The next prime is 102103291. The reversal of 102103254 is 452301201.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 379432 + ... + 379700.

It is an arithmetic number, because the mean of its divisors is an integer number (2653560).

Almost surely, 2102103254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102103254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (127370880).

102103254 is an abundant number, since it is smaller than the sum of its proper divisors (152638506).

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

102103254 is a wasteful number, since it uses less digits than its factorization.

102103254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368 (or 356 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 102103254 is about 10104.6154800665. The cubic root of 102103254 is about 467.3904786959.

Adding to 102103254 its reverse (452301201), we get a palindrome (554404455).

The spelling of 102103254 in words is "one hundred two million, one hundred three thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 71 81 99 142 162 198 213 243 269 297 426 486 538 594 639 781 807 891 1278 1562 1614 1782 1917 2343 2421 2673 2959 3834 4686 4842 5346 5751 5918 7029 7263 8877 11502 14058 14526 17253 17754 19099 21087 21789 26631 34506 38198 42174 43578 53262 57297 63261 65367 79893 114594 126522 130734 159786 171891 189783 210089 239679 343782 379566 420178 479358 515673 630267 719037 1031346 1260534 1438074 1547019 1890801 3094038 3781602 4641057 5672403 9282114 11344806 17017209 34034418 51051627 102103254