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48190949 = 411175389
BaseRepresentation
bin1011011111010…
…1010111100101
310100200100112222
42313311113211
544314102244
64440522125
71123421252
oct267652745
9110610488
1048190949
1125225634
1214180345
139ca3b71
146586429
15436dbee
hex2df55e5

48190949 has 4 divisors (see below), whose sum is σ = 49366380. Its totient is φ = 47015520.

The previous prime is 48190943. The next prime is 48190963. The reversal of 48190949 is 94909184.

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 27196225 + 20994724 = 5215^2 + 4582^2 .

It is a de Polignac number, because none of the positive numbers 2k-48190949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48190943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587654 + ... + 587735.

It is an arithmetic number, because the mean of its divisors is an integer number (12341595).

Almost surely, 248190949 is an apocalyptic number.

It is an amenable number.

48190949 is a deficient number, since it is larger than the sum of its proper divisors (1175431).

48190949 is a wasteful number, since it uses less digits than its factorization.

48190949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175430.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 48190949 is about 6941.9701094142. The cubic root of 48190949 is about 363.9053939417.

The spelling of 48190949 in words is "forty-eight million, one hundred ninety thousand, nine hundred forty-nine".

Divisors: 1 41 1175389 48190949