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117007220 = 22511975483
BaseRepresentation
bin1101111100101…
…10001101110100
322011011120201202
412332112031310
5214423212340
615335512032
72620354631
oct676261564
9264146652
10117007220
1160058290
1233228618
131b319955
141177b188
15a413c15
hex6f96374

117007220 has 48 divisors (see below), whose sum is σ = 270865728. Its totient is φ = 42101760.

The previous prime is 117007201. The next prime is 117007271. The reversal of 117007220 is 22700711.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 117007192 and 117007201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18599 + ... + 24081.

It is an arithmetic number, because the mean of its divisors is an integer number (5643036).

Almost surely, 2117007220 is an apocalyptic number.

117007220 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 117007220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135432864).

117007220 is an abundant number, since it is smaller than the sum of its proper divisors (153858508).

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

117007220 is a wasteful number, since it uses less digits than its factorization.

117007220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600 (or 5598 counting only the distinct ones).

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 117007220 is about 10816.9875658614. The cubic root of 117007220 is about 489.1073850784.

Adding to 117007220 its reverse (22700711), we get a palindrome (139707931).

The spelling of 117007220 in words is "one hundred seventeen million, seven thousand, two hundred twenty".

Divisors: 1 2 4 5 10 11 20 22 44 55 97 110 194 220 388 485 970 1067 1940 2134 4268 5335 5483 10670 10966 21340 21932 27415 54830 60313 109660 120626 241252 301565 531851 603130 1063702 1206260 2127404 2659255 5318510 5850361 10637020 11700722 23401444 29251805 58503610 117007220