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401097849 = 3163820241
BaseRepresentation
bin10111111010000…
…100010001111001
31000221201212210220
4113322010101321
51310140112344
6103444530253
712640163325
oct2772042171
91027655726
10401097849
11196455829
12b23b0989
1365137209
143b3ac985
152532dc19
hex17e84479

401097849 has 8 divisors (see below), whose sum is σ = 538078752. Its totient is φ = 265757760.

The previous prime is 401097841. The next prime is 401097857. The reversal of 401097849 is 948790104.

It is an interprime number because it is at equal distance from previous prime (401097841) and next prime (401097857).

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

It is not a de Polignac number, because 401097849 - 23 = 401097841 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 401097849.

It is not an unprimeable number, because it can be changed into a prime (401097841) 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, 409632 + ... + 410609.

It is an arithmetic number, because the mean of its divisors is an integer number (67259844).

Almost surely, 2401097849 is an apocalyptic number.

It is an amenable number.

401097849 is a deficient number, since it is larger than the sum of its proper divisors (136980903).

401097849 is a wasteful number, since it uses less digits than its factorization.

401097849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820407.

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 401097849 is about 20027.4274184180. The cubic root of 401097849 is about 737.4797690132.

The spelling of 401097849 in words is "four hundred one million, ninety-seven thousand, eight hundred forty-nine".

Divisors: 1 3 163 489 820241 2460723 133699283 401097849