Search a number
-
+
109869712 = 2423298559
BaseRepresentation
bin1101000110001…
…11101010010000
321122201221220121
412203013222100
5211111312322
614522520024
72502606601
oct643075220
9248657817
10109869712
1157022817
1230966014
13199bac84
141083dda8
1599a3ec7
hex68c7a90

109869712 has 20 divisors (see below), whose sum is σ = 222128640. Its totient is φ = 52546208.

The previous prime is 109869707. The next prime is 109869713. The reversal of 109869712 is 217968901.

It is a super-2 number, since 2×1098697122 = 24142707229925888, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (109869713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148912 + ... + 149647.

It is an arithmetic number, because the mean of its divisors is an integer number (11106432).

Almost surely, 2109869712 is an apocalyptic number.

It is an amenable number.

109869712 is an abundant number, since it is smaller than the sum of its proper divisors (112258928).

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

109869712 is a wasteful number, since it uses less digits than its factorization.

109869712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298590 (or 298584 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 43.

The square root of 109869712 is about 10481.8754047165. The cubic root of 109869712 is about 478.9527399063.

The spelling of 109869712 in words is "one hundred nine million, eight hundred sixty-nine thousand, seven hundred twelve".

Divisors: 1 2 4 8 16 23 46 92 184 368 298559 597118 1194236 2388472 4776944 6866857 13733714 27467428 54934856 109869712