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400675541 = 757239363
BaseRepresentation
bin10111111000011…
…101001011010101
31000220221102111212
4113320131023111
51310033104131
6103431511205
712633454160
oct2770351325
91026842455
10400675541
11196197512
12b2228505
1365019c26
143b2dcad7
1525298a2b
hex17e1d2d5

400675541 has 4 divisors (see below), whose sum is σ = 457914912. Its totient is φ = 343436172.

The previous prime is 400675531. The next prime is 400675547. The reversal of 400675541 is 145576004.

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 a de Polignac number, because none of the positive numbers 2k-400675541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 400675498 and 400675507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400675547) 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, 28619675 + ... + 28619688.

It is an arithmetic number, because the mean of its divisors is an integer number (114478728).

Almost surely, 2400675541 is an apocalyptic number.

It is an amenable number.

400675541 is a deficient number, since it is larger than the sum of its proper divisors (57239371).

400675541 is an equidigital number, since it uses as much as digits as its factorization.

400675541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57239370.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 400675541 is about 20016.8814004580. The cubic root of 400675541 is about 737.2208521634.

The spelling of 400675541 in words is "four hundred million, six hundred seventy-five thousand, five hundred forty-one".

Divisors: 1 7 57239363 400675541