Search a number
-
+
1068953240 = 23585731183
BaseRepresentation
bin111111101101101…
…110111010011000
32202111102110011202
4333231232322120
54142123000430
6254023213332
735326644515
oct7755567230
92674373152
101068953240
114a943a433
12259ba7248
13140600414
14a1d7a30c
1563ca1d45
hex3fb6ee98

1068953240 has 32 divisors (see below), whose sum is σ = 2408028480. Its totient is φ = 427068672.

The previous prime is 1068953231. The next prime is 1068953257. The reversal of 1068953240 is 423598601.

It is a happy number.

It is a super-2 number, since 2×10689532402 = 2285322058612995200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068953194 and 1068953203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18689 + ... + 49871.

It is an arithmetic number, because the mean of its divisors is an integer number (75250890).

Almost surely, 21068953240 is an apocalyptic number.

1068953240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068953240 is an abundant number, since it is smaller than the sum of its proper divisors (1339075240).

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

1068953240 is a wasteful number, since it uses less digits than its factorization.

1068953240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32051 (or 32047 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1068953240 is about 32694.8503590397. The cubic root of 1068953240 is about 1022.4754815848.

The spelling of 1068953240 in words is "one billion, sixty-eight million, nine hundred fifty-three thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 857 1714 3428 4285 6856 8570 17140 31183 34280 62366 124732 155915 249464 311830 623660 1247320 26723831 53447662 106895324 133619155 213790648 267238310 534476620 1068953240