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740783381 = 131719176419
BaseRepresentation
bin101100001001110…
…111010100010101
31220121220200202112
4230021313110111
53004120032011
6201301320405
724233361212
oct5411672425
91817820675
10740783381
11350175578
12188106105
13ba61b680
1470552b09
154507b58b
hex2c277515

740783381 has 16 divisors (see below), whose sum is σ = 889156800. Its totient is φ = 609700608.

The previous prime is 740783371. The next prime is 740783387. The reversal of 740783381 is 183387047.

740783381 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-740783381 is a prime.

It is a super-2 number, since 2×7407833812 = 1097520035131582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (740783387) 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, 84011 + ... + 92408.

It is an arithmetic number, because the mean of its divisors is an integer number (55572300).

Almost surely, 2740783381 is an apocalyptic number.

It is an amenable number.

740783381 is a deficient number, since it is larger than the sum of its proper divisors (148373419).

740783381 is a wasteful number, since it uses less digits than its factorization.

740783381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176468.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 740783381 is about 27217.3360379005. The cubic root of 740783381 is about 904.8232333858.

The spelling of 740783381 in words is "seven hundred forty million, seven hundred eighty-three thousand, three hundred eighty-one".

Divisors: 1 13 17 19 221 247 323 4199 176419 2293447 2999123 3351961 38988599 43575493 56983337 740783381