Search a number
-
+
117312400 = 2452313937
BaseRepresentation
bin1101111111000…
…00101110010000
322011202002100201
412333200232100
5220012444100
615350224544
72623065442
oct677405620
9264662321
10117312400
11602465a7
1233355154
131b3c582a
141181a492
15a47436a
hex6fe0b90

117312400 has 60 divisors (see below), whose sum is σ = 283045252. Its totient is φ = 46725120.

The previous prime is 117312389. The next prime is 117312457. The reversal of 117312400 is 4213711.

It can be written as a sum of positive squares in 6 ways, for example, as 57032704 + 60279696 = 7552^2 + 7764^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 124732 + ... + 125668.

Almost surely, 2117312400 is an apocalyptic number.

117312400 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 117312400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141522626).

117312400 is an abundant number, since it is smaller than the sum of its proper divisors (165732852).

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

117312400 is a wasteful number, since it uses less digits than its factorization.

117312400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1257 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 19.

The square root of 117312400 is about 10831.0848948755. The cubic root of 117312400 is about 489.5322483391.

The spelling of 117312400 in words is "one hundred seventeen million, three hundred twelve thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 313 400 626 937 1252 1565 1874 2504 3130 3748 4685 5008 6260 7496 7825 9370 12520 14992 15650 18740 23425 25040 31300 37480 46850 62600 74960 93700 125200 187400 293281 374800 586562 1173124 1466405 2346248 2932810 4692496 5865620 7332025 11731240 14664050 23462480 29328100 58656200 117312400