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38542870 = 254194007
BaseRepresentation
bin1001001100000…
…1111000010110
32200112011212201
42103001320112
534331332440
63454035114
7645415612
oct223017026
980464781
1038542870
111a835913
1210aa8a9a
137ca6542
145194342
1535b519a
hex24c1e16

38542870 has 16 divisors (see below), whose sum is σ = 71070048. Its totient is φ = 15040960.

The previous prime is 38542841. The next prime is 38542879. The reversal of 38542870 is 7824583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38542879) 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 7 ways as a sum of consecutive naturals, for example, 46594 + ... + 47413.

It is an arithmetic number, because the mean of its divisors is an integer number (4441878).

Almost surely, 238542870 is an apocalyptic number.

38542870 is a deficient number, since it is larger than the sum of its proper divisors (32527178).

38542870 is a wasteful number, since it uses less digits than its factorization.

38542870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94055.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 38542870 is about 6208.2904249076. The cubic root of 38542870 is about 337.7909553169.

It can be divided in two parts, 3854 and 2870, that added together give a square (6724 = 822).

The spelling of 38542870 in words is "thirty-eight million, five hundred forty-two thousand, eight hundred seventy".

Divisors: 1 2 5 10 41 82 205 410 94007 188014 470035 940070 3854287 7708574 19271435 38542870