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49960987 = 241207307
BaseRepresentation
bin1011111010010…
…1100000011011
310111000021120221
42332211200123
5100242222422
64542500511
71144442566
oct276454033
9114007527
1049960987
112622447a
1214894737
13a47371b
1468c74dd
1545bd3c7
hex2fa581b

49960987 has 4 divisors (see below), whose sum is σ = 50168536. Its totient is φ = 49753440.

The previous prime is 49960979. The next prime is 49960993. The reversal of 49960987 is 78906994.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78906994 = 239453497.

It is a cyclic number.

It is not a de Polignac number, because 49960987 - 23 = 49960979 is a prime.

It is a super-2 number, since 2×499609872 = 4992200444028338, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49960187) 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, 103413 + ... + 103894.

It is an arithmetic number, because the mean of its divisors is an integer number (12542134).

Almost surely, 249960987 is an apocalyptic number.

49960987 is a deficient number, since it is larger than the sum of its proper divisors (207549).

49960987 is a wasteful number, since it uses less digits than its factorization.

49960987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207548.

The product of its (nonzero) digits is 979776, while the sum is 52.

The square root of 49960987 is about 7068.3086378567. The cubic root of 49960987 is about 368.3073081853.

The spelling of 49960987 in words is "forty-nine million, nine hundred sixty thousand, nine hundred eighty-seven".

Divisors: 1 241 207307 49960987