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1040017872 = 243173125243
BaseRepresentation
bin111101111111010…
…110100111010000
32200110222101022110
4331333112213100
54112221032442
6251111105320
734526002035
oct7577264720
92613871273
101040017872
11494076903
12250372240
1313760bbba
149c1a738c
156148869c
hex3dfd69d0

1040017872 has 40 divisors (see below), whose sum is σ = 2702264544. Its totient is φ = 344665984.

The previous prime is 1040017871. The next prime is 1040017889. The reversal of 1040017872 is 2787100401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040017871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54318 + ... + 70925.

Almost surely, 21040017872 is an apocalyptic number.

1040017872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1040017872 is an abundant number, since it is smaller than the sum of its proper divisors (1662246672).

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

1040017872 is a wasteful number, since it uses less digits than its factorization.

1040017872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125427 (or 125421 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 30.

The square root of 1040017872 is about 32249.3080856008. The cubic root of 1040017872 is about 1013.1652073718.

The spelling of 1040017872 in words is "one billion, forty million, seventeen thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 16 24 48 173 346 519 692 1038 1384 2076 2768 4152 8304 125243 250486 375729 500972 751458 1001944 1502916 2003888 3005832 6011664 21667039 43334078 65001117 86668156 130002234 173336312 260004468 346672624 520008936 1040017872