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40075480 = 2352713697
BaseRepresentation
bin1001100011100…
…0000011011000
32210102001020001
42120320003120
540224403410
63550542344
7664431064
oct230700330
983361201
1040075480
1120692335
12115079b4
1383c2003
145472aa4
1537b933a
hex26380d8

40075480 has 32 divisors (see below), whose sum is σ = 90527040. Its totient is φ = 15966720.

The previous prime is 40075463. The next prime is 40075481. The reversal of 40075480 is 8457004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40075481) 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, 8992 + ... + 12688.

It is an arithmetic number, because the mean of its divisors is an integer number (2828970).

Almost surely, 240075480 is an apocalyptic number.

40075480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40075480 is an abundant number, since it is smaller than the sum of its proper divisors (50451560).

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

40075480 is a wasteful number, since it uses less digits than its factorization.

40075480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3979 (or 3975 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 40075480 is about 6330.5197258993. The cubic root of 40075480 is about 342.2101691438.

The spelling of 40075480 in words is "forty million, seventy-five thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 271 542 1084 1355 2168 2710 3697 5420 7394 10840 14788 18485 29576 36970 73940 147880 1001887 2003774 4007548 5009435 8015096 10018870 20037740 40075480