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48897969 = 316299323
BaseRepresentation
bin1011101010000…
…1111110110001
310102000021101220
42322201332301
5100004213334
64504015253
71132424451
oct272417661
9112007356
1048897969
112566884a
1214461529
13a190913
1466cbd61
15445d449
hex2ea1fb1

48897969 has 4 divisors (see below), whose sum is σ = 65197296. Its totient is φ = 32598644.

The previous prime is 48897949. The next prime is 48897983. The reversal of 48897969 is 96979884.

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 48897969 - 27 = 48897841 is a prime.

It is a super-2 number, since 2×488979692 = 4782022744649922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48897929) 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, 8149659 + ... + 8149664.

It is an arithmetic number, because the mean of its divisors is an integer number (16299324).

Almost surely, 248897969 is an apocalyptic number.

It is an amenable number.

48897969 is a deficient number, since it is larger than the sum of its proper divisors (16299327).

48897969 is a wasteful number, since it uses less digits than its factorization.

48897969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16299326.

The product of its digits is 7838208, while the sum is 60.

The square root of 48897969 is about 6992.7082736233. The cubic root of 48897969 is about 365.6764063303.

The spelling of 48897969 in words is "forty-eight million, eight hundred ninety-seven thousand, nine hundred sixty-nine".

Divisors: 1 3 16299323 48897969