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40730800 = 2452119257
BaseRepresentation
bin1001101101100…
…0000010110000
32211122100011011
42123120002300
540411341200
64013000304
71003130455
oct233300260
984570134
1040730800
1120a9a720
1211783094
138591386
1455a382c
1538985ba
hex26d80b0

40730800 has 60 divisors (see below), whose sum is σ = 106763256. Its totient is φ = 14809600.

The previous prime is 40730797. The next prime is 40730801. The reversal of 40730800 is 803704.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (40730801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 229 + ... + 9028.

Almost surely, 240730800 is an apocalyptic number.

40730800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40730800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53381628).

40730800 is an abundant number, since it is smaller than the sum of its proper divisors (66032456).

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

40730800 is a wasteful number, since it uses less digits than its factorization.

40730800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9286 (or 9275 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40730800 is about 6382.0686301543. The cubic root of 40730800 is about 344.0653832814.

The spelling of 40730800 in words is "forty million, seven hundred thirty thousand, eight hundred".

Divisors: 1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 176 200 220 275 400 440 550 880 1100 2200 4400 9257 18514 37028 46285 74056 92570 101827 148112 185140 203654 231425 370280 407308 462850 509135 740560 814616 925700 1018270 1629232 1851400 2036540 2545675 3702800 4073080 5091350 8146160 10182700 20365400 40730800