Search a number
-
+
102975120 = 243251747179
BaseRepresentation
bin1100010001101…
…00011010010000
321011202200022100
412020310122100
5202330200440
614115040400
72360163003
oct610643220
9234680270
10102975120
1153143806
122a5a0100
1318445a31
14d96753a
159091230
hex6234690

102975120 has 240 divisors, whose sum is σ = 376047360. Its totient is φ = 25153536.

The previous prime is 102975097. The next prime is 102975121. The reversal of 102975120 is 21579201.

It is a tau number, because it is divible by the number of its divisors (240).

It is not an unprimeable number, because it can be changed into a prime (102975121) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 575191 + ... + 575369.

It is an arithmetic number, because the mean of its divisors is an integer number (1566864).

Almost surely, 2102975120 is an apocalyptic number.

102975120 is a gapful number since it is divisible by the number (10) 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 102975120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188023680).

102975120 is an abundant number, since it is smaller than the sum of its proper divisors (273072240).

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

102975120 is a wasteful number, since it uses less digits than its factorization.

102975120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 27.

The square root of 102975120 is about 10147.6657414402. The cubic root of 102975120 is about 468.7170686198.

The spelling of 102975120 in words is "one hundred two million, nine hundred seventy-five thousand, one hundred twenty".