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48217690 = 254821769
BaseRepresentation
bin1011011111101…
…1111001011010
310100201201020101
42313323321122
544320431230
64441250014
71123562233
oct267737132
9110651211
1048217690
1125243734
121419390a
139cb30a1
14659208a
154376aca
hex2dfbe5a

48217690 has 8 divisors (see below), whose sum is σ = 86791860. Its totient is φ = 19287072.

The previous prime is 48217657. The next prime is 48217693. The reversal of 48217690 is 9671284.

It can be written as a sum of positive squares in 2 ways, for example, as 48038761 + 178929 = 6931^2 + 423^2 .

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

It is a super-2 number, since 2×482176902 = 4649891257872200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (48217693) 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, 2410875 + ... + 2410894.

Almost surely, 248217690 is an apocalyptic number.

48217690 is a deficient number, since it is larger than the sum of its proper divisors (38574170).

48217690 is a wasteful number, since it uses less digits than its factorization.

48217690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821776.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 48217690 is about 6943.8958805558. The cubic root of 48217690 is about 363.9726914665.

The spelling of 48217690 in words is "forty-eight million, two hundred seventeen thousand, six hundred ninety".

Divisors: 1 2 5 10 4821769 9643538 24108845 48217690