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48169240 = 2357712423
BaseRepresentation
bin1011011111000…
…0000100011000
310100122020202221
42313300010120
544312403430
64440233424
71123301050
oct267600430
9110566687
1048169240
1125210299
121416b874
139c97012
14657c560
15436757a
hex2df0118

48169240 has 64 divisors (see below), whose sum is σ = 125660160. Its totient is φ = 16275840.

The previous prime is 48169229. The next prime is 48169243. The reversal of 48169240 is 4296184.

48169240 = 17852 + 17862 + ... + 17992.

It is a junction number, because it is equal to n+sod(n) for n = 48169196 and 48169205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48169243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18669 + ... + 21091.

It is an arithmetic number, because the mean of its divisors is an integer number (1963440).

Almost surely, 248169240 is an apocalyptic number.

48169240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48169240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62830080).

48169240 is an abundant number, since it is smaller than the sum of its proper divisors (77490920).

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

48169240 is a wasteful number, since it uses less digits than its factorization.

48169240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512 (or 2508 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 48169240 is about 6940.4063281626. The cubic root of 48169240 is about 363.8507418482.

The spelling of 48169240 in words is "forty-eight million, one hundred sixty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 71 140 142 280 284 355 497 568 710 994 1420 1988 2423 2485 2840 3976 4846 4970 9692 9940 12115 16961 19384 19880 24230 33922 48460 67844 84805 96920 135688 169610 172033 339220 344066 678440 688132 860165 1204231 1376264 1720330 2408462 3440660 4816924 6021155 6881320 9633848 12042310 24084620 48169240