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401574097 = 904144417
BaseRepresentation
bin10111111011111…
…000100011010001
31000222122002002201
4113323320203101
51310300332342
6103503043201
712644215651
oct2773704321
91028562081
10401574097
11196750621
12b25a0501
1365272c12
143b494361
15253c4db7
hex17ef88d1

401574097 has 4 divisors (see below), whose sum is σ = 401627556. Its totient is φ = 401520640.

The previous prime is 401574091. The next prime is 401574133. The reversal of 401574097 is 790475104.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 217592001 + 183982096 = 14751^2 + 13564^2 .

It is a cyclic number.

It is not a de Polignac number, because 401574097 - 223 = 393185489 is a prime.

It is a super-2 number, since 2×4015740972 = 322523510762730818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401574091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13168 + ... + 31249.

It is an arithmetic number, because the mean of its divisors is an integer number (100406889).

Almost surely, 2401574097 is an apocalyptic number.

It is an amenable number.

401574097 is a deficient number, since it is larger than the sum of its proper divisors (53459).

401574097 is an equidigital number, since it uses as much as digits as its factorization.

401574097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53458.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 401574097 is about 20039.3137856564. The cubic root of 401574097 is about 737.7715385052.

The spelling of 401574097 in words is "four hundred one million, five hundred seventy-four thousand, ninety-seven".

Divisors: 1 9041 44417 401574097