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101290943 = 1371109741
BaseRepresentation
bin1100000100110…
…01001110111111
321001121010001102
412002121032333
5201412302233
614015003315
72336646605
oct602311677
9231533042
10101290943
11521a3426
1229b0953b
1317ca6290
14d649875
158d5c1e8
hex60993bf

101290943 has 8 divisors (see below), whose sum is σ = 110619936. Its totient is φ = 92181600.

The previous prime is 101290901. The next prime is 101290963. The reversal of 101290943 is 349092101.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101290943 - 210 = 101289919 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101290963) 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, 53948 + ... + 55793.

It is an arithmetic number, because the mean of its divisors is an integer number (13827492).

Almost surely, 2101290943 is an apocalyptic number.

101290943 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

101290943 is a deficient number, since it is larger than the sum of its proper divisors (9328993).

101290943 is a wasteful number, since it uses less digits than its factorization.

101290943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109825.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 101290943 is about 10064.3401671446. The cubic root of 101290943 is about 466.1476918319.

The spelling of 101290943 in words is "one hundred one million, two hundred ninety thousand, nine hundred forty-three".

Divisors: 1 13 71 923 109741 1426633 7791611 101290943