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38532500 = 225415413
BaseRepresentation
bin1001001011111…
…1010110010100
32200111122122122
42102333112110
534331020000
63453515112
7645343436
oct222772624
980448578
1038532500
111a829046
1210aa2a98
137ca18c6
145190656
1535b2085
hex24bf594

38532500 has 30 divisors (see below), whose sum is σ = 84268338. Its totient is φ = 15412000.

The previous prime is 38532499. The next prime is 38532509. The reversal of 38532500 is 523583.

It can be written as a sum of positive squares in 5 ways, for example, as 7907344 + 30625156 = 2812^2 + 5534^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 38532500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38532509) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5207 + ... + 10206.

Almost surely, 238532500 is an apocalyptic number.

It is an amenable number.

38532500 is an abundant number, since it is smaller than the sum of its proper divisors (45735838).

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

38532500 is a wasteful number, since it uses less digits than its factorization.

38532500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15437 (or 15420 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 38532500 is about 6207.4551951665. The cubic root of 38532500 is about 337.7606582614.

The spelling of 38532500 in words is "thirty-eight million, five hundred thirty-two thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 625 1250 2500 15413 30826 61652 77065 154130 308260 385325 770650 1541300 1926625 3853250 7706500 9633125 19266250 38532500