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38072916 = 2234716787
BaseRepresentation
bin1001000100111…
…1001001010100
32122122022020000
42101033021110
534221313131
63440011300
7641420520
oct221171124
978568200
1038072916
111a544822
1210900b30
137b7066b
1450b0d80
153520ce6
hex244f254

38072916 has 60 divisors (see below), whose sum is σ = 113755488. Its totient is φ = 10877328.

The previous prime is 38072893. The next prime is 38072933. The reversal of 38072916 is 61927083.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 6126 + ... + 10661.

Almost surely, 238072916 is an apocalyptic number.

38072916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38072916 is an abundant number, since it is smaller than the sum of its proper divisors (75682572).

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

38072916 is a wasteful number, since it uses less digits than its factorization.

38072916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16810 (or 16799 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 38072916 is about 6170.3254371224. The cubic root of 38072916 is about 336.4124399514.

Adding to 38072916 its reverse (61927083), we get a palindrome (99999999).

The spelling of 38072916 in words is "thirty-eight million, seventy-two thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 16787 33574 50361 67148 100722 117509 151083 201444 235018 302166 352527 453249 470036 604332 705054 906498 1057581 1359747 1410108 1812996 2115162 2719494 3172743 4230324 5438988 6345486 9518229 12690972 19036458 38072916