Search a number
-
+
102818464 = 2572232851
BaseRepresentation
bin1100010000011…
…10001010100000
321011110201102021
412020032022200
5202310142324
614111431224
72355641200
oct610161240
9234421367
10102818464
1153047041
122a525514
13183bc638
14d926400
15905eae4
hex620e2a0

102818464 has 72 divisors (see below), whose sum is σ = 245796768. Its totient is φ = 42134400.

The previous prime is 102818459. The next prime is 102818477. The reversal of 102818464 is 464818201.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34639 + ... + 37489.

It is an arithmetic number, because the mean of its divisors is an integer number (3413844).

Almost surely, 2102818464 is an apocalyptic number.

102818464 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102818464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122898384).

102818464 is an abundant number, since it is smaller than the sum of its proper divisors (142978304).

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

102818464 is a wasteful number, since it uses less digits than its factorization.

102818464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2898 (or 2883 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 34.

The square root of 102818464 is about 10139.9439840662. The cubic root of 102818464 is about 468.4792616376.

The spelling of 102818464 in words is "one hundred two million, eight hundred eighteen thousand, four hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 23 28 32 46 49 56 92 98 112 161 184 196 224 322 368 392 644 736 784 1127 1288 1568 2254 2576 2851 4508 5152 5702 9016 11404 18032 19957 22808 36064 39914 45616 65573 79828 91232 131146 139699 159656 262292 279398 319312 459011 524584 558796 638624 918022 1049168 1117592 1836044 2098336 2235184 3213077 3672088 4470368 6426154 7344176 12852308 14688352 25704616 51409232 102818464