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49690671 = 343385199
BaseRepresentation
bin1011110110001…
…1100000101111
310110111112210020
42331203200233
5100210100141
64533013223
71142235522
oct275434057
9113445706
1049690671
112605a378
1214784213
13a3aa684
146856bb9
154568266
hex2f6382f

49690671 has 8 divisors (see below), whose sum is σ = 67795200. Its totient is φ = 32356632.

The previous prime is 49690639. The next prime is 49690679. The reversal of 49690671 is 17609694.

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

It is not a de Polignac number, because 49690671 - 25 = 49690639 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49690679) 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, 192471 + ... + 192728.

It is an arithmetic number, because the mean of its divisors is an integer number (8474400).

Almost surely, 249690671 is an apocalyptic number.

49690671 is a deficient number, since it is larger than the sum of its proper divisors (18104529).

49690671 is a wasteful number, since it uses less digits than its factorization.

49690671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385245.

The product of its (nonzero) digits is 81648, while the sum is 42.

The square root of 49690671 is about 7049.1610139080. The cubic root of 49690671 is about 367.6418592509.

The spelling of 49690671 in words is "forty-nine million, six hundred ninety thousand, six hundred seventy-one".

Divisors: 1 3 43 129 385199 1155597 16563557 49690671