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38807272 = 2371936473
BaseRepresentation
bin1001010000001…
…0011011101000
32201000121120101
42110002123220
534413313042
63503435144
7650566510
oct224023350
981017511
1038807272
111a9a6529
1210bb5ab4
1380699aa
145222840
1536186b7
hex25026e8

38807272 has 32 divisors (see below), whose sum is σ = 87537600. Its totient is φ = 15755904.

The previous prime is 38807269. The next prime is 38807299. The reversal of 38807272 is 27270883.

38807272 is a modest number, since divided by 7272 gives 3880 as remainder.

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, 17173 + ... + 19300.

It is an arithmetic number, because the mean of its divisors is an integer number (2735550).

Almost surely, 238807272 is an apocalyptic number.

It is an amenable number.

38807272 is an abundant number, since it is smaller than the sum of its proper divisors (48730328).

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

38807272 is a wasteful number, since it uses less digits than its factorization.

38807272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36505 (or 36501 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 38807272 is about 6229.5482982316. The cubic root of 38807272 is about 338.5616050065.

The spelling of 38807272 in words is "thirty-eight million, eight hundred seven thousand, two hundred seventy-two".

Divisors: 1 2 4 7 8 14 19 28 38 56 76 133 152 266 532 1064 36473 72946 145892 255311 291784 510622 692987 1021244 1385974 2042488 2771948 4850909 5543896 9701818 19403636 38807272