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48405238 = 272493931
BaseRepresentation
bin1011100010100…
…1101011110110
310101002020111121
42320221223312
544342431423
64445254154
71125303100
oct270515366
9111066447
1048405238
1125361632
121426435a
13a04a56b
146600570
1543b245d
hex2e29af6

48405238 has 12 divisors (see below), whose sum is σ = 84462372. Its totient is φ = 20745060.

The previous prime is 48405233. The next prime is 48405319. The reversal of 48405238 is 83250484.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48405233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 246868 + ... + 247063.

It is an arithmetic number, because the mean of its divisors is an integer number (7038531).

Almost surely, 248405238 is an apocalyptic number.

48405238 is a deficient number, since it is larger than the sum of its proper divisors (36057134).

48405238 is a wasteful number, since it uses less digits than its factorization.

48405238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493947 (or 493940 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The square root of 48405238 is about 6957.3872969672. The cubic root of 48405238 is about 364.4439848616.

The spelling of 48405238 in words is "forty-eight million, four hundred five thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 49 98 493931 987862 3457517 6915034 24202619 48405238