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49313219 = 233169163
BaseRepresentation
bin1011110000011…
…1010111000011
310102210101000112
42330013113003
5100111010334
64520541535
71136104214
oct274072703
9112711015
1049313219
112592182a
12146218ab
13a2a7927
14679940b
1544e14ce
hex2f075c3

49313219 has 8 divisors (see below), whose sum is σ = 53117952. Its totient is φ = 45646920.

The previous prime is 49313213. The next prime is 49313233. The reversal of 49313219 is 91231394.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49313219 is a prime.

It is a super-2 number, since 2×493132192 = 4863587136283922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49313213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33869 + ... + 35294.

It is an arithmetic number, because the mean of its divisors is an integer number (6639744).

Almost surely, 249313219 is an apocalyptic number.

49313219 is a deficient number, since it is larger than the sum of its proper divisors (3804733).

49313219 is a wasteful number, since it uses less digits than its factorization.

49313219 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69217.

The product of its digits is 5832, while the sum is 32.

The square root of 49313219 is about 7022.3371465631. The cubic root of 49313219 is about 366.7086189831.

The spelling of 49313219 in words is "forty-nine million, three hundred thirteen thousand, two hundred nineteen".

Divisors: 1 23 31 713 69163 1590749 2144053 49313219