Search a number
-
+
918814950 = 232522041811
BaseRepresentation
bin110110110001000…
…000000011100110
32101000220122011100
4312301000003212
53340204034300
6231101220530
731524540534
oct6661000346
92330818140
10918814950
114317132a9
12217861746
131184835b1
148a057154
15559e6700
hex36c400e6

918814950 has 36 divisors (see below), whose sum is σ = 2468550708. Its totient is φ = 245017200.

The previous prime is 918814933. The next prime is 918814973. The reversal of 918814950 is 59418819.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 918814896 and 918814905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1020456 + ... + 1021355.

It is an arithmetic number, because the mean of its divisors is an integer number (68570853).

Almost surely, 2918814950 is an apocalyptic number.

918814950 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

918814950 is an abundant number, since it is smaller than the sum of its proper divisors (1549735758).

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

918814950 is a wasteful number, since it uses less digits than its factorization.

918814950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2041829 (or 2041821 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 45.

The square root of 918814950 is about 30311.9605106631. The cubic root of 918814950 is about 972.1710502711.

The spelling of 918814950 in words is "nine hundred eighteen million, eight hundred fourteen thousand, nine hundred fifty".

Divisors: 1 2 3 5 6 9 10 15 18 25 30 45 50 75 90 150 225 450 2041811 4083622 6125433 10209055 12250866 18376299 20418110 30627165 36752598 51045275 61254330 91881495 102090550 153135825 183762990 306271650 459407475 918814950