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102189048 = 23313327529
BaseRepresentation
bin1100001011101…
…00011111111000
321010021202000120
412011310133320
5202130022143
614050133240
72350410153
oct605643770
9233252016
10102189048
1152757165
122a281220
131822bcc0
14d800c9a
158e88383
hex61747f8

102189048 has 32 divisors (see below), whose sum is σ = 275125200. Its totient is φ = 31442688.

The previous prime is 102189041. The next prime is 102189067. The reversal of 102189048 is 840981201.

It is a super-3 number, since 3×1021890483 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102189041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163453 + ... + 164076.

Almost surely, 2102189048 is an apocalyptic number.

It is an amenable number.

102189048 is an abundant number, since it is smaller than the sum of its proper divisors (172936152).

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

102189048 is a wasteful number, since it uses less digits than its factorization.

102189048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327551 (or 327547 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 33.

The square root of 102189048 is about 10108.8598763659. The cubic root of 102189048 is about 467.5213529858.

The spelling of 102189048 in words is "one hundred two million, one hundred eighty-nine thousand, forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 327529 655058 982587 1310116 1965174 2620232 3930348 4257877 7860696 8515754 12773631 17031508 25547262 34063016 51094524 102189048