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49983972 = 2234165331
BaseRepresentation
bin1011111010101…
…1000111100100
310111001110010020
42332223013210
5100243441342
64543155140
71144566603
oct276530744
9114043106
1049983972
112623a775
12148a5ab0
13a48101c
1468d1a3a
1545c50ec
hex2fab1e4

49983972 has 12 divisors (see below), whose sum is σ = 116629296. Its totient is φ = 16661320.

The previous prime is 49983971. The next prime is 49984007. The reversal of 49983972 is 27938994.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (49983971) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2082654 + ... + 2082677.

It is an arithmetic number, because the mean of its divisors is an integer number (9719108).

Almost surely, 249983972 is an apocalyptic number.

It is an amenable number.

49983972 is an abundant number, since it is smaller than the sum of its proper divisors (66645324).

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

49983972 is a wasteful number, since it uses less digits than its factorization.

49983972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165338 (or 4165336 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 49983972 is about 7069.9343702753. The cubic root of 49983972 is about 368.3637805524.

The spelling of 49983972 in words is "forty-nine million, nine hundred eighty-three thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 4165331 8330662 12495993 16661324 24991986 49983972