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102452130 = 232511239433
BaseRepresentation
bin1100001101101…
…00101110100010
321010210002220100
412012310232202
5202211432010
614055523230
72352554154
oct606645642
9233702810
10102452130
1152916890
122a389516
13182c1981
14d86cad4
158edb2c0
hex61b4ba2

102452130 has 96 divisors (see below), whose sum is σ = 292481280. Its totient is φ = 24675840.

The previous prime is 102452111. The next prime is 102452131. The reversal of 102452130 is 31254201.

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

It is not an unprimeable number, because it can be changed into a prime (102452131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 236394 + ... + 236826.

It is an arithmetic number, because the mean of its divisors is an integer number (3046680).

Almost surely, 2102452130 is an apocalyptic number.

102452130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 102452130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146240640).

102452130 is an abundant number, since it is smaller than the sum of its proper divisors (190029150).

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

102452130 is a wasteful number, since it uses less digits than its factorization.

102452130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 693 counting only the distinct ones).

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

The square root of 102452130 is about 10121.8639587776. The cubic root of 102452130 is about 467.9222147733.

The spelling of 102452130 in words is "one hundred two million, four hundred fifty-two thousand, one hundred thirty".

Divisors: 1 2 3 5 6 9 10 11 15 18 22 30 33 45 55 66 90 99 110 165 198 239 330 433 478 495 717 866 990 1195 1299 1434 2151 2165 2390 2598 2629 3585 3897 4302 4330 4763 5258 6495 7170 7794 7887 9526 10755 12990 13145 14289 15774 19485 21510 23661 23815 26290 28578 38970 39435 42867 47322 47630 71445 78870 85734 103487 118305 142890 206974 214335 236610 310461 428670 517435 620922 931383 1034870 1138357 1552305 1862766 2276714 3104610 3415071 4656915 5691785 6830142 9313830 10245213 11383570 17075355 20490426 34150710 51226065 102452130