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48307990 = 254830799
BaseRepresentation
bin1011100001000…
…1111100010110
310100220022002211
42320101330112
544331323430
64443224034
71124416423
oct270217426
9110808084
1048307990
11252a5565
121421801a
13a015213
1465b6d4a
15439372a
hex2e11f16

48307990 has 8 divisors (see below), whose sum is σ = 86954400. Its totient is φ = 19323192.

The previous prime is 48307979. The next prime is 48307991. The reversal of 48307990 is 9970384.

48307990 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48307991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2415390 + ... + 2415409.

It is an arithmetic number, because the mean of its divisors is an integer number (10869300).

Almost surely, 248307990 is an apocalyptic number.

48307990 is a deficient number, since it is larger than the sum of its proper divisors (38646410).

48307990 is a wasteful number, since it uses less digits than its factorization.

48307990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4830806.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 48307990 is about 6950.3949528066. The cubic root of 48307990 is about 364.1997605376.

The spelling of 48307990 in words is "forty-eight million, three hundred seven thousand, nine hundred ninety".

Divisors: 1 2 5 10 4830799 9661598 24153995 48307990