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49999461 = 316666487
BaseRepresentation
bin1011111010111…
…0111001100101
310111002020100220
42332232321211
5100244440321
64543354553
71144663011
oct276567145
9114066326
1049999461
1126250376
12148b2a59
13a4880a5
1468d7541
1545c99c6
hex2faee65

49999461 has 4 divisors (see below), whose sum is σ = 66665952. Its totient is φ = 33332972.

The previous prime is 49999441. The next prime is 49999463. The reversal of 49999461 is 16499994.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49999461 - 210 = 49998437 is a prime.

It is a super-2 number, since 2×499994612 = 4999892200581042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49999463) 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, 8333241 + ... + 8333246.

It is an arithmetic number, because the mean of its divisors is an integer number (16666488).

Almost surely, 249999461 is an apocalyptic number.

It is an amenable number.

49999461 is a deficient number, since it is larger than the sum of its proper divisors (16666491).

49999461 is a wasteful number, since it uses less digits than its factorization.

49999461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16666490.

The product of its digits is 629856, while the sum is 51.

The square root of 49999461 is about 7071.0296987073. The cubic root of 49999461 is about 368.4018260640.

The spelling of 49999461 in words is "forty-nine million, nine hundred ninety-nine thousand, four hundred sixty-one".

Divisors: 1 3 16666487 49999461