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116961280 = 21255711
BaseRepresentation
bin1101111100010…
…11000000000000
322011002020201021
412332023000000
5214420230110
615334515224
72620103662
oct676130000
9264066637
10116961280
1160026817
1233205b14
131b301a77
1411768532
15a4052da
hex6f8b000

116961280 has 52 divisors (see below), whose sum is σ = 280721952. Its totient is φ = 46776320.

The previous prime is 116961277. The next prime is 116961287. The reversal of 116961280 is 82169611.

It is not an unprimeable number, because it can be changed into a prime (116961287) 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, 17625 + ... + 23335.

Almost surely, 2116961280 is an apocalyptic number.

116961280 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 116961280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140360976).

116961280 is an abundant number, since it is smaller than the sum of its proper divisors (163760672).

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

116961280 is an frugal number, since it uses more digits than its factorization.

116961280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5740 (or 5718 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 116961280 is about 10814.8638456524. The cubic root of 116961280 is about 489.0433647139.

The spelling of 116961280 in words is "one hundred sixteen million, nine hundred sixty-one thousand, two hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 1024 1280 2048 2560 4096 5120 5711 10240 11422 20480 22844 28555 45688 57110 91376 114220 182752 228440 365504 456880 731008 913760 1462016 1827520 2924032 3655040 5848064 7310080 11696128 14620160 23392256 29240320 58480640 116961280