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749196055 = 5149839211
BaseRepresentation
bin101100101001111…
…101001100010111
31221012202002210001
4230221331030113
53013243233210
6202201512131
724365030026
oct5451751427
91835662701
10749196055
113549a10a3
1218aaa2647
13bc2a589a
14717028bd
1545b8e03a
hex2ca7d317

749196055 has 4 divisors (see below), whose sum is σ = 899035272. Its totient is φ = 599356840.

The previous prime is 749196053. The next prime is 749196059. The reversal of 749196055 is 550691947.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 550691947 = 1342360919.

It is not a de Polignac number, because 749196055 - 21 = 749196053 is a prime.

It is a super-2 number, since 2×7491960552 = 1122589457655126050, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 749195996 and 749196014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (749196053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74919601 + ... + 74919610.

It is an arithmetic number, because the mean of its divisors is an integer number (224758818).

Almost surely, 2749196055 is an apocalyptic number.

749196055 is a deficient number, since it is larger than the sum of its proper divisors (149839217).

749196055 is a wasteful number, since it uses less digits than its factorization.

749196055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149839216.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 749196055 is about 27371.4459793413. The cubic root of 749196055 is about 908.2355436814.

The spelling of 749196055 in words is "seven hundred forty-nine million, one hundred ninety-six thousand, fifty-five".

Divisors: 1 5 149839211 749196055