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40752380 = 2252037619
BaseRepresentation
bin1001101101110…
…1010011111100
32211200102202102
42123131103330
540413034010
64013244232
71003250414
oct233352374
984612672
1040752380
1121004959
1211793678
13859b146
1455ab644
15389eba5
hex26dd4fc

40752380 has 12 divisors (see below), whose sum is σ = 85580040. Its totient is φ = 16300944.

The previous prime is 40752353. The next prime is 40752391. The reversal of 40752380 is 8325704.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1018790 + ... + 1018829.

It is an arithmetic number, because the mean of its divisors is an integer number (7131670).

Almost surely, 240752380 is an apocalyptic number.

It is an amenable number.

40752380 is an abundant number, since it is smaller than the sum of its proper divisors (44827660).

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

40752380 is a wasteful number, since it uses less digits than its factorization.

40752380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2037628 (or 2037626 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 40752380 is about 6383.7590806671. The cubic root of 40752380 is about 344.1261368148.

The spelling of 40752380 in words is "forty million, seven hundred fifty-two thousand, three hundred eighty".

Divisors: 1 2 4 5 10 20 2037619 4075238 8150476 10188095 20376190 40752380