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48211969 = 133708613
BaseRepresentation
bin1011011111101…
…0100000000001
310100201102101111
42313322200001
544320240334
64441203321
71123536451
oct267724001
9110642344
1048211969
112523a403
1214190541
139cb05c0
14658dd61
154375064
hex2dfa801

48211969 has 4 divisors (see below), whose sum is σ = 51920596. Its totient is φ = 44503344.

The previous prime is 48211967. The next prime is 48211973. The reversal of 48211969 is 96911284.

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 8673025 + 39538944 = 2945^2 + 6288^2 .

It is a cyclic number.

It is not a de Polignac number, because 48211969 - 21 = 48211967 is a prime.

It is a super-2 number, since 2×482119692 = 4648787909713922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48211967) 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, 1854294 + ... + 1854319.

It is an arithmetic number, because the mean of its divisors is an integer number (12980149).

Almost surely, 248211969 is an apocalyptic number.

It is an amenable number.

48211969 is a deficient number, since it is larger than the sum of its proper divisors (3708627).

48211969 is a wasteful number, since it uses less digits than its factorization.

48211969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3708626.

The product of its digits is 31104, while the sum is 40.

The square root of 48211969 is about 6943.4839237950. The cubic root of 48211969 is about 363.9582958500.

The spelling of 48211969 in words is "forty-eight million, two hundred eleven thousand, nine hundred sixty-nine".

Divisors: 1 13 3708613 48211969