Search a number
-
+
115380650 = 252711231303
BaseRepresentation
bin1101110000010…
…01000110101010
322001002221111102
412320021012222
5214014140100
615241001402
72600501510
oct670110652
9261087442
10115380650
115a147210
1232783262
131ab9a498
14114764b0
15a1e1cd5
hex6e091aa

115380650 has 96 divisors (see below), whose sum is σ = 279410688. Its totient is φ = 34372800.

The previous prime is 115380637. The next prime is 115380659. The reversal of 115380650 is 56083511.

115380650 = T3156 + T3157 + ... + T3178.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (115380659) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 87899 + ... + 89201.

It is an arithmetic number, because the mean of its divisors is an integer number (2910528).

Almost surely, 2115380650 is an apocalyptic number.

115380650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115380650 is an abundant number, since it is smaller than the sum of its proper divisors (164030038).

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

115380650 is a wasteful number, since it uses less digits than its factorization.

115380650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356 (or 1351 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 115380650 is about 10741.5385303968. The cubic root of 115380650 is about 486.8303670436.

The spelling of 115380650 in words is "one hundred fifteen million, three hundred eighty thousand, six hundred fifty".

Divisors: 1 2 5 7 10 11 14 22 23 25 35 46 50 55 70 77 110 115 154 161 175 230 253 275 322 350 385 506 550 575 770 805 1150 1265 1303 1610 1771 1925 2530 2606 3542 3850 4025 6325 6515 8050 8855 9121 12650 13030 14333 17710 18242 28666 29969 32575 44275 45605 59938 65150 71665 88550 91210 100331 143330 149845 200662 209783 228025 299690 329659 358325 419566 456050 501655 659318 716650 749225 1003310 1048915 1498450 1648295 2097830 2307613 2508275 3296590 4615226 5016550 5244575 8241475 10489150 11538065 16482950 23076130 57690325 115380650