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102999702 = 231317173449
BaseRepresentation
bin1100010001110…
…10011010010110
321011210221000210
412020322122112
5202331442302
614115350250
72360324451
oct610723226
9234727023
10102999702
1153160223
122a5b2386
1318453c90
14d972498
15909866c
hex623a696

102999702 has 64 divisors (see below), whose sum is σ = 236779200. Its totient is φ = 29589504.

The previous prime is 102999683. The next prime is 102999709. The reversal of 102999702 is 207999201.

It is a happy number.

It is a super-2 number, since 2×1029997022 = 21217877224177608, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102999709) 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 31 ways as a sum of consecutive naturals, for example, 229174 + ... + 229622.

It is an arithmetic number, because the mean of its divisors is an integer number (3699675).

Almost surely, 2102999702 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102999702, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118389600).

102999702 is an abundant number, since it is smaller than the sum of its proper divisors (133779498).

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

102999702 is a wasteful number, since it uses less digits than its factorization.

102999702 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657.

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 102999702 is about 10148.8768836754. The cubic root of 102999702 is about 468.7543626972.

It can be divided in two parts, 102 and 999702, that multiplied together give a square (101969604 = 100982).

The spelling of 102999702 in words is "one hundred two million, nine hundred ninety-nine thousand, seven hundred two".

Divisors: 1 2 3 6 13 17 26 34 39 51 78 102 173 221 346 442 449 519 663 898 1038 1326 1347 2249 2694 2941 4498 5837 5882 6747 7633 8823 11674 13494 15266 17511 17646 22899 35022 38233 45798 76466 77677 99229 114699 155354 198458 229398 233031 297687 466062 595374 1009801 1320509 2019602 2641018 3029403 3961527 6058806 7923054 17166617 34333234 51499851 102999702