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49121233 = 77017319
BaseRepresentation
bin1011101101100…
…0011111010001
310102102121122221
42323120133101
5100033334413
64512501041
71134344410
oct273303721
9112377587
1049121233
1125800567
121454a781
13a23b425
146749477
1544a468d
hex2ed87d1

49121233 has 4 divisors (see below), whose sum is σ = 56138560. Its totient is φ = 42103908.

The previous prime is 49121183. The next prime is 49121243. The reversal of 49121233 is 33212194.

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 de Polignac number, because none of the positive numbers 2k-49121233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 49121198 and 49121207.

It is not an unprimeable number, because it can be changed into a prime (49121243) 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, 3508653 + ... + 3508666.

It is an arithmetic number, because the mean of its divisors is an integer number (14034640).

Almost surely, 249121233 is an apocalyptic number.

It is an amenable number.

49121233 is a deficient number, since it is larger than the sum of its proper divisors (7017327).

49121233 is an equidigital number, since it uses as much as digits as its factorization.

49121233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7017326.

The product of its digits is 1296, while the sum is 25.

The square root of 49121233 is about 7008.6541504058. The cubic root of 49121233 is about 366.2321106243.

The spelling of 49121233 in words is "forty-nine million, one hundred twenty-one thousand, two hundred thirty-three".

Divisors: 1 7 7017319 49121233