Search a number
-
+
117051020 = 22519893461
BaseRepresentation
bin1101111101000…
…00111010001100
322011020210210222
412332200322030
5214431113040
615340450512
72620626422
oct676407214
9264223728
10117051020
1160088189
1233249a38
131b333878
141178d112
15a421bb5
hex6fa0e8c

117051020 has 48 divisors (see below), whose sum is σ = 261727200. Its totient is φ = 43845120.

The previous prime is 117051013. The next prime is 117051029. The reversal of 117051020 is 20150711.

It is a self number, because there is not a number n which added to its sum of digits gives 117051020.

It is not an unprimeable number, because it can be changed into a prime (117051029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32090 + ... + 35550.

It is an arithmetic number, because the mean of its divisors is an integer number (5452650).

Almost surely, 2117051020 is an apocalyptic number.

117051020 is a gapful number since it is divisible by the number (10) 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 117051020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130863600).

117051020 is an abundant number, since it is smaller than the sum of its proper divisors (144676180).

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

117051020 is a wasteful number, since it uses less digits than its factorization.

117051020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 70, while the sum is 17.

The square root of 117051020 is about 10819.0119696763. The cubic root of 117051020 is about 489.1684076116.

The spelling of 117051020 in words is "one hundred seventeen million, fifty-one thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 89 95 178 190 356 380 445 890 1691 1780 3382 3461 6764 6922 8455 13844 16910 17305 33820 34610 65759 69220 131518 263036 308029 328795 616058 657590 1232116 1315180 1540145 3080290 5852551 6160580 11705102 23410204 29262755 58525510 117051020