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38973750 = 235419547
BaseRepresentation
bin1001010010101…
…1000100110110
32201100001221020
42110223010312
534434130000
63511202010
7652162044
oct224530466
981301836
1038973750
111aaaa612
1211076306
1380c76ba
145267394
15364cba0
hex252b136

38973750 has 80 divisors (see below), whose sum is σ = 102717120. Its totient is φ = 9828000.

The previous prime is 38973749. The next prime is 38973757. The reversal of 38973750 is 5737983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38973757) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 70977 + ... + 71523.

It is an arithmetic number, because the mean of its divisors is an integer number (1283964).

Almost surely, 238973750 is an apocalyptic number.

38973750 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 38973750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51358560).

38973750 is an abundant number, since it is smaller than the sum of its proper divisors (63743370).

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

38973750 is a wasteful number, since it uses less digits than its factorization.

38973750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 38973750 is about 6242.8959626122. The cubic root of 38973750 is about 339.0450423526.

The spelling of 38973750 in words is "thirty-eight million, nine hundred seventy-three thousand, seven hundred fifty".

Divisors: 1 2 3 5 6 10 15 19 25 30 38 50 57 75 95 114 125 150 190 250 285 375 475 547 570 625 750 950 1094 1250 1425 1641 1875 2375 2735 2850 3282 3750 4750 5470 7125 8205 10393 11875 13675 14250 16410 20786 23750 27350 31179 35625 41025 51965 62358 68375 71250 82050 103930 136750 155895 205125 259825 311790 341875 410250 519650 683750 779475 1025625 1299125 1558950 2051250 2598250 3897375 6495625 7794750 12991250 19486875 38973750