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38031896 = 237739919
BaseRepresentation
bin1001000100010…
…1001000011000
32122120012221202
42101011020120
534214010041
63435053332
7641160110
oct221051030
978505852
1038031896
111a516a21
12108a1248
137b57aa6
1450a0040
153513a9b
hex2445218

38031896 has 32 divisors (see below), whose sum is σ = 81696000. Its totient is φ = 16259616.

The previous prime is 38031859. The next prime is 38031911. The reversal of 38031896 is 69813083.

It is a super-2 number, since 2×380318962 = 2892850226709632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40925 + ... + 41843.

It is an arithmetic number, because the mean of its divisors is an integer number (2553000).

Almost surely, 238031896 is an apocalyptic number.

It is an amenable number.

38031896 is an abundant number, since it is smaller than the sum of its proper divisors (43664104).

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

38031896 is a wasteful number, since it uses less digits than its factorization.

38031896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1671 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 38031896 is about 6167.0005675369. Note that the first 3 decimals coincide. The cubic root of 38031896 is about 336.2915789069.

The spelling of 38031896 in words is "thirty-eight million, thirty-one thousand, eight hundred ninety-six".

Divisors: 1 2 4 7 8 14 28 56 739 919 1478 1838 2956 3676 5173 5912 6433 7352 10346 12866 20692 25732 41384 51464 679141 1358282 2716564 4753987 5433128 9507974 19015948 38031896