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38091442 = 229656749
BaseRepresentation
bin1001000101001…
…1101010110010
32122200020122011
42101103222302
534222411232
63440233134
7641525524
oct221235262
978606564
1038091442
111a557734
121090b7aa
137b78c1c
1450b7a14
153526547
hex2453ab2

38091442 has 8 divisors (see below), whose sum is σ = 59107500. Its totient is φ = 18388944.

The previous prime is 38091437. The next prime is 38091451. The reversal of 38091442 is 24419083.

It can be written as a sum of positive squares in 2 ways, for example, as 38081241 + 10201 = 6171^2 + 101^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 328317 + ... + 328432.

Almost surely, 238091442 is an apocalyptic number.

38091442 is a deficient number, since it is larger than the sum of its proper divisors (21016058).

38091442 is a wasteful number, since it uses less digits than its factorization.

38091442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656780.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 38091442 is about 6171.8264719611. The cubic root of 38091442 is about 336.4669963738.

The spelling of 38091442 in words is "thirty-eight million, ninety-one thousand, four hundred forty-two".

Divisors: 1 2 29 58 656749 1313498 19045721 38091442