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423657041 = 1922297739
BaseRepresentation
bin11001010000000…
…111111001010001
31002112012000012112
4121100013321101
51331424011131
6110012235105
713333011503
oct3120077121
91075160175
10423657041
111a8163895
12b9a6ba95
1369a05452
14403a1d73
15272d802b
hex19407e51

423657041 has 4 divisors (see below), whose sum is σ = 445954800. Its totient is φ = 401359284.

The previous prime is 423657029. The next prime is 423657077. The reversal of 423657041 is 140756324.

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-423657041 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 423656989 and 423657007.

It is not an unprimeable number, because it can be changed into a prime (423657011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11148851 + ... + 11148888.

It is an arithmetic number, because the mean of its divisors is an integer number (111488700).

Almost surely, 2423657041 is an apocalyptic number.

It is an amenable number.

423657041 is a deficient number, since it is larger than the sum of its proper divisors (22297759).

423657041 is a wasteful number, since it uses less digits than its factorization.

423657041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22297758.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 423657041 is about 20582.9308165771. The cubic root of 423657041 is about 751.0545408595.

The spelling of 423657041 in words is "four hundred twenty-three million, six hundred fifty-seven thousand, forty-one".

Divisors: 1 19 22297739 423657041