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108434025 = 3352753433
BaseRepresentation
bin1100111011010…
…01001001101001
321120001000112000
412131221021221
5210224342100
614432041213
72454450120
oct635511151
9246030460
10108434025
11562320a7
1230393209
131960765b
1410588ab7
1597bd900
hex6769269

108434025 has 96 divisors (see below), whose sum is σ = 232485120. Its totient is φ = 48522240.

The previous prime is 108434021. The next prime is 108434047. The reversal of 108434025 is 520434801.

It is not a de Polignac number, because 108434025 - 22 = 108434021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 108434025.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108434021) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 250209 + ... + 250641.

It is an arithmetic number, because the mean of its divisors is an integer number (2421720).

Almost surely, 2108434025 is an apocalyptic number.

108434025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

108434025 is an abundant number, since it is smaller than the sum of its proper divisors (124051095).

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

108434025 is a wasteful number, since it uses less digits than its factorization.

108434025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 108434025 is about 10413.1659450909. The cubic root of 108434025 is about 476.8573997216.

Adding to 108434025 its reverse (520434801), we get a palindrome (628868826).

The spelling of 108434025 in words is "one hundred eight million, four hundred thirty-four thousand, twenty-five".

Divisors: 1 3 5 7 9 15 21 25 27 35 45 53 63 75 105 135 159 175 189 225 265 315 371 433 477 525 675 795 945 1113 1299 1325 1431 1575 1855 2165 2385 3031 3339 3897 3975 4725 5565 6495 7155 9093 9275 10017 10825 11691 11925 15155 16695 19485 22949 27279 27825 32475 35775 45465 50085 58455 68847 75775 81837 83475 97425 114745 136395 160643 206541 227325 250425 292275 344235 409185 481929 573725 619623 681975 803215 1032705 1445787 1721175 2045925 2409645 3098115 4016075 4337361 5163525 7228935 12048225 15490575 21686805 36144675 108434025