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38532440 = 235963311
BaseRepresentation
bin1001001011111…
…1010101011000
32200111122120102
42102333111120
534331014230
63453514532
7645343322
oct222772530
980448512
1038532440
111a828aa1
1210aa2a48
137ca187b
145190612
1535b2045
hex24bf558

38532440 has 16 divisors (see below), whose sum is σ = 86698080. Its totient is φ = 15412960.

The previous prime is 38532427. The next prime is 38532449. The reversal of 38532440 is 4423583.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38532449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 481616 + ... + 481695.

It is an arithmetic number, because the mean of its divisors is an integer number (5418630).

Almost surely, 238532440 is an apocalyptic number.

It is an amenable number.

38532440 is an abundant number, since it is smaller than the sum of its proper divisors (48165640).

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

38532440 is a wasteful number, since it uses less digits than its factorization.

38532440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 963322 (or 963318 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 38532440 is about 6207.4503622663. The cubic root of 38532440 is about 337.7604829493.

The spelling of 38532440 in words is "thirty-eight million, five hundred thirty-two thousand, four hundred forty".

Divisors: 1 2 4 5 8 10 20 40 963311 1926622 3853244 4816555 7706488 9633110 19266220 38532440