Search a number
-
+
103323990 = 23571144729
BaseRepresentation
bin1100010100010…
…01100101010110
321012102101212110
412022021211112
5202422331430
614130331450
72363145060
oct612114526
9235371773
10103323990
1153361930
122a729b86
1318538773
14da18730
15910e7b0
hex6289956

103323990 has 64 divisors (see below), whose sum is σ = 309173760. Its totient is φ = 21469440.

The previous prime is 103323973. The next prime is 103324003. The reversal of 103323990 is 99323301.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20055 + ... + 24674.

It is an arithmetic number, because the mean of its divisors is an integer number (4830840).

Almost surely, 2103323990 is an apocalyptic number.

103323990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103323990 is an abundant number, since it is smaller than the sum of its proper divisors (205849770).

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

103323990 is a wasteful number, since it uses less digits than its factorization.

103323990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44757.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 103323990 is about 10164.8408743079. The cubic root of 103323990 is about 469.2457950590.

The spelling of 103323990 in words is "one hundred three million, three hundred twenty-three thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 7 10 11 14 15 21 22 30 33 35 42 55 66 70 77 105 110 154 165 210 231 330 385 462 770 1155 2310 44729 89458 134187 223645 268374 313103 447290 492019 626206 670935 939309 984038 1341870 1476057 1565515 1878618 2460095 2952114 3131030 3444133 4696545 4920190 6888266 7380285 9393090 10332399 14760570 17220665 20664798 34441330 51661995 103323990