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48640170 = 23523157449
BaseRepresentation
bin1011100110001…
…1000010101010
310101112011202210
42321203002222
544422441140
64454305550
71130302035
oct271430252
9111464683
1048640170
1125502097
12143582b6
13a100487
14666201c
15440bd80
hex2e630aa

48640170 has 64 divisors (see below), whose sum is σ = 122860800. Its totient is φ = 12300288.

The previous prime is 48640153. The next prime is 48640187. The reversal of 48640170 is 7104684.

It is an interprime number because it is at equal distance from previous prime (48640153) and next prime (48640187).

It is a super-2 number, since 2×486401702 = 4731732275257800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 108106 + ... + 108554.

It is an arithmetic number, because the mean of its divisors is an integer number (1919700).

Almost surely, 248640170 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48640170, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61430400).

48640170 is an abundant number, since it is smaller than the sum of its proper divisors (74220630).

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

48640170 is a wasteful number, since it uses less digits than its factorization.

48640170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 639.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 48640170 is about 6974.2504973653. The cubic root of 48640170 is about 365.0326361010.

The spelling of 48640170 in words is "forty-eight million, six hundred forty thousand, one hundred seventy".

Divisors: 1 2 3 5 6 10 15 23 30 46 69 115 138 157 230 314 345 449 471 690 785 898 942 1347 1570 2245 2355 2694 3611 4490 4710 6735 7222 10327 10833 13470 18055 20654 21666 30981 36110 51635 54165 61962 70493 103270 108330 140986 154905 211479 309810 352465 422958 704930 1057395 1621339 2114790 3242678 4864017 8106695 9728034 16213390 24320085 48640170