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744768080 = 24571969997
BaseRepresentation
bin101100011001000…
…100001001010000
31220220102010201222
4230121010021100
53011130034310
6201522544212
724312265340
oct5431041120
91826363658
10744768080
11352447311
12189508068
13bb3b5294
1470cacd20
15455b7055
hex2c644250

744768080 has 80 divisors (see below), whose sum is σ = 2083140480. Its totient is φ = 241906176.

The previous prime is 744768071. The next prime is 744768097. The reversal of 744768080 is 80867447.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent 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, 24359 + ... + 45638.

It is an arithmetic number, because the mean of its divisors is an integer number (26039256).

Almost surely, 2744768080 is an apocalyptic number.

744768080 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

744768080 is an abundant number, since it is smaller than the sum of its proper divisors (1338372400).

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

744768080 is a wasteful number, since it uses less digits than its factorization.

744768080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70036 (or 70030 counting only the distinct ones).

The product of its (nonzero) digits is 301056, while the sum is 44.

The square root of 744768080 is about 27290.4393515385. The cubic root of 744768080 is about 906.4426914557.

The spelling of 744768080 in words is "seven hundred forty-four million, seven hundred sixty-eight thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 28 35 38 40 56 70 76 80 95 112 133 140 152 190 266 280 304 380 532 560 665 760 1064 1330 1520 2128 2660 5320 10640 69997 139994 279988 349985 489979 559976 699970 979958 1119952 1329943 1399940 1959916 2449895 2659886 2799880 3919832 4899790 5319772 5599760 6649715 7839664 9309601 9799580 10639544 13299430 18619202 19599160 21279088 26598860 37238404 39198320 46548005 53197720 74476808 93096010 106395440 148953616 186192020 372384040 744768080