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38954394 = 23210321011
BaseRepresentation
bin1001010010011…
…0010110011010
32201022002101100
42110212112122
534433020034
63510532230
7652051443
oct224462632
981262340
1038954394
111aa97016
1211067076
1380bb94b
1452602ca
153647099
hex252659a

38954394 has 24 divisors (see below), whose sum is σ = 85224672. Its totient is φ = 12858120.

The previous prime is 38954393. The next prime is 38954401. The reversal of 38954394 is 49345983.

It is a happy number.

It is a super-3 number, since 3×389543943 (a number of 24 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (38954393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8652 + ... + 12359.

It is an arithmetic number, because the mean of its divisors is an integer number (3551028).

Almost surely, 238954394 is an apocalyptic number.

38954394 is an abundant number, since it is smaller than the sum of its proper divisors (46270278).

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

38954394 is a wasteful number, since it uses less digits than its factorization.

38954394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21122 (or 21119 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 38954394 is about 6241.3455280092. The cubic root of 38954394 is about 338.9889050589.

The spelling of 38954394 in words is "thirty-eight million, nine hundred fifty-four thousand, three hundred ninety-four".

Divisors: 1 2 3 6 9 18 103 206 309 618 927 1854 21011 42022 63033 126066 189099 378198 2164133 4328266 6492399 12984798 19477197 38954394