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38320960 = 265313863
BaseRepresentation
bin1001001000101…
…1101101000000
32200002220110211
42102023231000
534302232320
63445203504
7643502626
oct222135500
980086424
1038320960
111a6a4117
1210a00594
137c29532
145137516
15356e55a
hex248bb40

38320960 has 56 divisors (see below), whose sum is σ = 94219776. Its totient is φ = 14830080.

The previous prime is 38320957. The next prime is 38320969. The reversal of 38320960 is 6902383.

It is a happy number.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38320969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7989 + ... + 11851.

It is an arithmetic number, because the mean of its divisors is an integer number (1682496).

Almost surely, 238320960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38320960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47109888).

38320960 is an abundant number, since it is smaller than the sum of its proper divisors (55898816).

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

38320960 is a wasteful number, since it uses less digits than its factorization.

38320960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38320960 is about 6190.3925562116. The cubic root of 38320960 is about 337.1414317117.

The spelling of 38320960 in words is "thirty-eight million, three hundred twenty thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 16 20 31 32 40 62 64 80 124 155 160 248 310 320 496 620 992 1240 1984 2480 3863 4960 7726 9920 15452 19315 30904 38630 61808 77260 119753 123616 154520 239506 247232 309040 479012 598765 618080 958024 1197530 1236160 1916048 2395060 3832096 4790120 7664192 9580240 19160480 38320960