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102249372 = 22371120011
BaseRepresentation
bin1100001100000…
…11001110011100
321010101210202210
412012003032130
5202133434442
614051320420
72351051061
oct606031634
9233353683
10102249372
1152798515
122a2b0110
13182505b4
14d818c68
158e9b19c
hex618339c

102249372 has 24 divisors (see below), whose sum is σ = 241944192. Its totient is φ = 33602800.

The previous prime is 102249353. The next prime is 102249379. The reversal of 102249372 is 273942201.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102249379) 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, 59154 + ... + 60857.

It is an arithmetic number, because the mean of its divisors is an integer number (10081008).

Almost surely, 2102249372 is an apocalyptic number.

102249372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

102249372 is an abundant number, since it is smaller than the sum of its proper divisors (139694820).

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

102249372 is a wasteful number, since it uses less digits than its factorization.

102249372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120089 (or 120087 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 102249372 is about 10111.8431554292. The cubic root of 102249372 is about 467.6133302604.

The spelling of 102249372 in words is "one hundred two million, two hundred forty-nine thousand, three hundred seventy-two".

Divisors: 1 2 3 4 6 12 71 142 213 284 426 852 120011 240022 360033 480044 720066 1440132 8520781 17041562 25562343 34083124 51124686 102249372