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38807394 = 2323299697
BaseRepresentation
bin1001010000001…
…0011101100010
32201000121201220
42110002131202
534413314034
63503435510
7650600043
oct224023542
981017656
1038807394
111a9a662a
1210bb5b96
138069a72
1452228ca
153618749
hex2502762

38807394 has 32 divisors (see below), whose sum is σ = 83790720. Its totient is φ = 11945472.

The previous prime is 38807389. The next prime is 38807399. The reversal of 38807394 is 49370883.

It is an interprime number because it is at equal distance from previous prime (38807389) and next prime (38807399).

It is a super-3 number, since 3×388073943 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38807399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 847 + ... + 8850.

It is an arithmetic number, because the mean of its divisors is an integer number (2618460).

Almost surely, 238807394 is an apocalyptic number.

38807394 is an abundant number, since it is smaller than the sum of its proper divisors (44983326).

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

38807394 is a wasteful number, since it uses less digits than its factorization.

38807394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9754.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 38807394 is about 6229.5580902661. The cubic root of 38807394 is about 338.5619597894.

The spelling of 38807394 in words is "thirty-eight million, eight hundred seven thousand, three hundred ninety-four".

Divisors: 1 2 3 6 23 29 46 58 69 87 138 174 667 1334 2001 4002 9697 19394 29091 58182 223031 281213 446062 562426 669093 843639 1338186 1687278 6467899 12935798 19403697 38807394