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38696436 = 22321074901
BaseRepresentation
bin1001001110011…
…1010111110100
32200210222112100
42103213113310
534401241221
63501222100
7646625412
oct223472764
980728470
1038696436
111a930229
1210b61930
13802b3cc
1451d42b2
1535e5926
hex24e75f4

38696436 has 18 divisors (see below), whose sum is σ = 97816082. Its totient is φ = 12898800.

The previous prime is 38696393. The next prime is 38696447. The reversal of 38696436 is 63469683.

It can be written as a sum of positive squares in only one way, i.e., 36072036 + 2624400 = 6006^2 + 1620^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 38696391 and 38696400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 537415 + ... + 537486.

Almost surely, 238696436 is an apocalyptic number.

38696436 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38696436 is an abundant number, since it is smaller than the sum of its proper divisors (59119646).

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

38696436 is a wasteful number, since it uses less digits than its factorization.

38696436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1074911 (or 1074906 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 38696436 is about 6220.6459471666. The cubic root of 38696436 is about 338.2389799475.

The spelling of 38696436 in words is "thirty-eight million, six hundred ninety-six thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 9 12 18 36 1074901 2149802 3224703 4299604 6449406 9674109 12898812 19348218 38696436