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401250601 = 491817211
BaseRepresentation
bin10111111010101…
…001100100101001
31000222000122100101
4113322221210221
51310210004401
6103452105401
712641400553
oct2772514451
91028018311
10401250601
1119654a574
12b2465261
136518b8bb
143b40c4d3
152535e101
hex17ea9929

401250601 has 4 divisors (see below), whose sum is σ = 402068304. Its totient is φ = 400432900.

The previous prime is 401250599. The next prime is 401250613. The reversal of 401250601 is 106052104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401250601 - 21 = 401250599 is a prime.

It is a super-2 number, since 2×4012506012 = 322004089605722402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401250671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408115 + ... + 409096.

It is an arithmetic number, because the mean of its divisors is an integer number (100517076).

Almost surely, 2401250601 is an apocalyptic number.

It is an amenable number.

401250601 is a deficient number, since it is larger than the sum of its proper divisors (817703).

401250601 is an equidigital number, since it uses as much as digits as its factorization.

401250601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817702.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 401250601 is about 20031.2406255828. The cubic root of 401250601 is about 737.5733764396.

The spelling of 401250601 in words is "four hundred one million, two hundred fifty thousand, six hundred one".

Divisors: 1 491 817211 401250601