Search a number
-
+
34002990 = 235571999
BaseRepresentation
bin1000000110110…
…1100000101110
32100222112100000
42001231200232
532201043430
63212445130
7562010040
oct201554056
970875300
1034002990
1118214a4a
12b4797a6
137077018
144731a90
152eb9e60
hex206d82e

34002990 has 96 divisors (see below), whose sum is σ = 104832000. Its totient is φ = 7768224.

The previous prime is 34002973. The next prime is 34003031. The reversal of 34002990 is 9920043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 16011 + ... + 18009.

It is an arithmetic number, because the mean of its divisors is an integer number (1092000).

Almost surely, 234002990 is an apocalyptic number.

34002990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 34002990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52416000).

34002990 is an abundant number, since it is smaller than the sum of its proper divisors (70829010).

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

34002990 is a wasteful number, since it uses less digits than its factorization.

34002990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2028 (or 2016 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 34002990 is about 5831.2082795935. The cubic root of 34002990 is about 323.9706763585.

The spelling of 34002990 in words is "thirty-four million, two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 63 70 81 90 105 126 135 162 189 210 243 270 315 378 405 486 567 630 810 945 1134 1215 1701 1890 1999 2430 2835 3402 3998 5670 5997 8505 9995 11994 13993 17010 17991 19990 27986 29985 35982 41979 53973 59970 69965 83958 89955 107946 125937 139930 161919 179910 209895 251874 269865 323838 377811 419790 485757 539730 629685 755622 809595 971514 1133433 1259370 1619190 1889055 2266866 2428785 3400299 3778110 4857570 5667165 6800598 11334330 17001495 34002990