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38297072 = 2411375881
BaseRepresentation
bin1001001000010…
…1110111110000
32200001200201002
42102011313300
534301001242
63444501132
7643343162
oct222056760
980050632
1038297072
111a688180
12109aa7a8
137c1b6b8
14512c932
153567432
hex2485df0

38297072 has 40 divisors (see below), whose sum is σ = 83147952. Its totient is φ = 16934400.

The previous prime is 38297071. The next prime is 38297099. The reversal of 38297072 is 27079283.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38297071) 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, 3572 + ... + 9452.

Almost surely, 238297072 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 38297072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41573976).

38297072 is an abundant number, since it is smaller than the sum of its proper divisors (44850880).

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

38297072 is a wasteful number, since it uses less digits than its factorization.

38297072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5937 (or 5931 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 38297072 is about 6188.4628139789. The cubic root of 38297072 is about 337.0713629334.

It can be divided in two parts, 3829 and 7072, that added together give a palindrome (10901).

The spelling of 38297072 in words is "thirty-eight million, two hundred ninety-seven thousand, seventy-two".

Divisors: 1 2 4 8 11 16 22 37 44 74 88 148 176 296 407 592 814 1628 3256 5881 6512 11762 23524 47048 64691 94096 129382 217597 258764 435194 517528 870388 1035056 1740776 2393567 3481552 4787134 9574268 19148536 38297072