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48212955 = 3357163313
BaseRepresentation
bin1011011111101…
…0101111011011
310100201110202000
42313322233123
544320303310
64441212043
71123542360
oct267725733
9110643660
1048212955
112524011a
1214191023
139cb0b9b
146590467
1543754c0
hex2dfabdb

48212955 has 64 divisors (see below), whose sum is σ = 98872320. Its totient is φ = 21835008.

The previous prime is 48212951. The next prime is 48212959. The reversal of 48212955 is 55921284.

48212955 is a `hidden beast` number, since 482 + 129 + 55 = 666.

It is an interprime number because it is at equal distance from previous prime (48212951) and next prime (48212959).

It is not a de Polignac number, because 48212955 - 22 = 48212951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48212951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 153879 + ... + 154191.

It is an arithmetic number, because the mean of its divisors is an integer number (1544880).

Almost surely, 248212955 is an apocalyptic number.

48212955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

48212955 is an abundant number, since it is smaller than the sum of its proper divisors (50659365).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

48212955 is a wasteful number, since it uses less digits than its factorization.

48212955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497 (or 491 counting only the distinct ones).

The product of its digits is 28800, while the sum is 36.

The square root of 48212955 is about 6943.5549252526. The cubic root of 48212955 is about 363.9607769796.

It can be divided in two parts, 4821 and 2955, that added together give a 5-th power (7776 = 65).

The spelling of 48212955 in words is "forty-eight million, two hundred twelve thousand, nine hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 105 135 163 189 313 315 489 815 939 945 1141 1467 1565 2191 2445 2817 3423 4401 4695 5705 6573 7335 8451 10269 10955 14085 17115 19719 22005 30807 32865 42255 51019 51345 59157 98595 153057 154035 255095 295785 357133 459171 765285 1071399 1377513 1785665 2295855 3214197 5356995 6887565 9642591 16070985 48212955