Search a number
-
+
742843608 = 2331319125311
BaseRepresentation
bin101100010001101…
…110010011011000
31220202210100212020
4230101232103120
53010131443413
6201413414440
724260031543
oct5421562330
91822710766
10742843608
11351352441
1218893a420
13bab90340
147092b85a
1545336c23
hex2c46e4d8

742843608 has 64 divisors (see below), whose sum is σ = 2105241600. Its totient is φ = 216535680.

The previous prime is 742843603. The next prime is 742843631. The reversal of 742843608 is 806348247.

It is a self number, because there is not a number n which added to its sum of digits gives 742843608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742843603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56728 + ... + 68583.

It is an arithmetic number, because the mean of its divisors is an integer number (32894400).

Almost surely, 2742843608 is an apocalyptic number.

742843608 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

742843608 is an abundant number, since it is smaller than the sum of its proper divisors (1362397992).

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

742843608 is a wasteful number, since it uses less digits than its factorization.

742843608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125352 (or 125348 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 42.

The square root of 742843608 is about 27255.1574568924. The cubic root of 742843608 is about 905.6612722416.

It can be divided in two parts, 742 and 843608, that added together give a triangular number (844350 = T1299).

The spelling of 742843608 in words is "seven hundred forty-two million, eight hundred forty-three thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 12 13 19 24 26 38 39 52 57 76 78 104 114 152 156 228 247 312 456 494 741 988 1482 1976 2964 5928 125311 250622 375933 501244 751866 1002488 1503732 1629043 2380909 3007464 3258086 4761818 4887129 6516172 7142727 9523636 9774258 13032344 14285454 19047272 19548516 28570908 30951817 39097032 57141816 61903634 92855451 123807268 185710902 247614536 371421804 742843608