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49898801 = 174128661
BaseRepresentation
bin1011111001011…
…0010100110001
310110220010021202
42332112110301
5100233230201
64541300545
71144063361
oct276262461
9113803252
1049898801
1126191787
1214864755
13a451324
1468ac9a1
1545a9c6b
hex2f96531

49898801 has 4 divisors (see below), whose sum is σ = 49929204. Its totient is φ = 49868400.

The previous prime is 49898789. The next prime is 49898803. The reversal of 49898801 is 10889894.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 22848400 + 27050401 = 4780^2 + 5201^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-49898801 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (49898803) 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, 12590 + ... + 16071.

It is an arithmetic number, because the mean of its divisors is an integer number (12482301).

Almost surely, 249898801 is an apocalyptic number.

It is an amenable number.

49898801 is a deficient number, since it is larger than the sum of its proper divisors (30403).

49898801 is a wasteful number, since it uses less digits than its factorization.

49898801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30402.

The product of its (nonzero) digits is 165888, while the sum is 47.

The square root of 49898801 is about 7063.9083374574. The cubic root of 49898801 is about 368.1544351215.

It can be divided in two parts, 498 and 98801, that added together give a palindrome (99299).

The spelling of 49898801 in words is "forty-nine million, eight hundred ninety-eight thousand, eight hundred one".

Divisors: 1 1741 28661 49898801