Search a number
-
+
117442154 = 217191371327
BaseRepresentation
bin1110000000000…
…00011001101010
322011222200100102
413000000121222
5220031122104
615353105402
72624145644
oct700003152
9264880312
10117442154
1160325035
12333b8262
131b43c8cb
1411851894
15a49ca1e
hex700066a

117442154 has 32 divisors (see below), whose sum is σ = 197925120. Its totient is φ = 51936768.

The previous prime is 117442139. The next prime is 117442207. The reversal of 117442154 is 451244711.

It is a happy 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, 87839 + ... + 89165.

It is an arithmetic number, because the mean of its divisors is an integer number (6185160).

Almost surely, 2117442154 is an apocalyptic number.

117442154 is a deficient number, since it is larger than the sum of its proper divisors (80482966).

117442154 is a wasteful number, since it uses less digits than its factorization.

117442154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its digits is 4480, while the sum is 29.

The square root of 117442154 is about 10837.0731288480. The cubic root of 117442154 is about 489.7126650820.

Adding to 117442154 its reverse (451244711), we get a palindrome (568686865).

The spelling of 117442154 in words is "one hundred seventeen million, four hundred forty-two thousand, one hundred fifty-four".

Divisors: 1 2 17 19 34 38 137 274 323 646 1327 2329 2603 2654 4658 5206 22559 25213 44251 45118 50426 88502 181799 363598 428621 857242 3090583 3454181 6181166 6908362 58721077 117442154