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400452101 = 7107534649
BaseRepresentation
bin10111110111100…
…110101000000101
31000220112002000022
4113313212220011
51310003431401
6103423024525
712631533560
oct2767465005
91026462008
10400452101
11196054655
12b213b145
1364c6c30a
143b2814d7
152525271b
hex17de6a05

400452101 has 8 divisors (see below), whose sum is σ = 461937600. Its totient is φ = 340036128.

The previous prime is 400452067. The next prime is 400452121. The reversal of 400452101 is 101254004.

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 400452101 - 218 = 400189957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 400452101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400452121) 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, 266576 + ... + 268073.

It is an arithmetic number, because the mean of its divisors is an integer number (57742200).

Almost surely, 2400452101 is an apocalyptic number.

It is an amenable number.

400452101 is a deficient number, since it is larger than the sum of its proper divisors (61485499).

400452101 is a wasteful number, since it uses less digits than its factorization.

400452101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534763.

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 400452101 is about 20011.2993331268. The cubic root of 400452101 is about 737.0837875980.

The spelling of 400452101 in words is "four hundred million, four hundred fifty-two thousand, one hundred one".

Divisors: 1 7 107 749 534649 3742543 57207443 400452101