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49999971 = 372380951
BaseRepresentation
bin1011111010111…
…1000001100011
310111002021001210
42332233001203
5100244444341
64543401203
71144664340
oct276570143
9114067053
1049999971
112625079a
12148b3203
13a4883a8
1468d77c7
1545c9c16
hex2faf063

49999971 has 8 divisors (see below), whose sum is σ = 76190464. Its totient is φ = 28571400.

The previous prime is 49999921. The next prime is 49999991. The reversal of 49999971 is 17999994.

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

It is not a de Polignac number, because 49999971 - 27 = 49999843 is a prime.

It is not an unprimeable number, because it can be changed into a prime (49999921) 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, 1190455 + ... + 1190496.

It is an arithmetic number, because the mean of its divisors is an integer number (9523808).

Almost surely, 249999971 is an apocalyptic number.

49999971 is a deficient number, since it is larger than the sum of its proper divisors (26190493).

49999971 is a wasteful number, since it uses less digits than its factorization.

49999971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2380961.

The product of its digits is 1653372, while the sum is 57.

The square root of 49999971 is about 7071.0657612555. The cubic root of 49999971 is about 368.4030786394.

The spelling of 49999971 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred seventy-one".

Divisors: 1 3 7 21 2380951 7142853 16666657 49999971