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40708380 = 22353971709
BaseRepresentation
bin1001101101001…
…0100100011100
32211121012101210
42123102210130
540410132010
64012304420
71003005216
oct233224434
984535353
1040708380
1120a84899
1211772110
1385840cb
1455995b6
153891b20
hex26d291c

40708380 has 48 divisors (see below), whose sum is σ = 114337440. Its totient is φ = 10821888.

The previous prime is 40708361. The next prime is 40708391. The reversal of 40708380 is 8380704.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22966 + ... + 24674.

It is an arithmetic number, because the mean of its divisors is an integer number (2382030).

Almost surely, 240708380 is an apocalyptic number.

It is an amenable number.

40708380 is an abundant number, since it is smaller than the sum of its proper divisors (73629060).

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

40708380 is a wasteful number, since it uses less digits than its factorization.

40708380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2118 (or 2116 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 40708380 is about 6380.3119046015. The cubic root of 40708380 is about 344.0022421884.

The spelling of 40708380 in words is "forty million, seven hundred eight thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 397 794 1191 1588 1709 1985 2382 3418 3970 4764 5127 5955 6836 7940 8545 10254 11910 17090 20508 23820 25635 34180 51270 102540 678473 1356946 2035419 2713892 3392365 4070838 6784730 8141676 10177095 13569460 20354190 40708380