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49968123 = 392917929
BaseRepresentation
bin1011111010011…
…1001111111011
310111000122101020
42332213033323
5100242434443
64542553523
71144502442
oct276471773
9114018336
1049968123
1126229877
12148988a3
13a476a4a
1468c9d59
1545c0583
hex2fa73fb

49968123 has 8 divisors (see below), whose sum is σ = 66699600. Its totient is φ = 33274368.

The previous prime is 49968101. The next prime is 49968169. The reversal of 49968123 is 32186994.

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

It is not a de Polignac number, because 49968123 - 224 = 33190907 is a prime.

It is a super-2 number, since 2×499681232 = 4993626632286258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (49968223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6178 + ... + 11751.

It is an arithmetic number, because the mean of its divisors is an integer number (8337450).

Almost surely, 249968123 is an apocalyptic number.

49968123 is a deficient number, since it is larger than the sum of its proper divisors (16731477).

49968123 is a wasteful number, since it uses less digits than its factorization.

49968123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18861.

The product of its digits is 93312, while the sum is 42.

The square root of 49968123 is about 7068.8134082037. The cubic root of 49968123 is about 368.3248426390.

The spelling of 49968123 in words is "forty-nine million, nine hundred sixty-eight thousand, one hundred twenty-three".

Divisors: 1 3 929 2787 17929 53787 16656041 49968123