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450493157 = 23161312143
BaseRepresentation
bin11010110110011…
…111101011100101
31011101200102102202
4122312133223211
51410311240112
6112411344245
714110062062
oct3266375345
91141612382
10450493157
112113231a4
12106a52085
13724402ca
1443b89c69
15298396c2
hex1ad9fae5

450493157 has 8 divisors (see below), whose sum is σ = 470409984. Its totient is φ = 430603888.

The previous prime is 450493103. The next prime is 450493171. The reversal of 450493157 is 751394054.

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 450493157 - 28 = 450492901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 450493157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (450493177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31028 + ... + 43170.

It is an arithmetic number, because the mean of its divisors is an integer number (58801248).

Almost surely, 2450493157 is an apocalyptic number.

It is an amenable number.

450493157 is a deficient number, since it is larger than the sum of its proper divisors (19916827).

450493157 is a wasteful number, since it uses less digits than its factorization.

450493157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13779.

The product of its (nonzero) digits is 75600, while the sum is 38.

The square root of 450493157 is about 21224.8240746537. The cubic root of 450493157 is about 766.5892641664.

The spelling of 450493157 in words is "four hundred fifty million, four hundred ninety-three thousand, one hundred fifty-seven".

Divisors: 1 23 1613 12143 37099 279289 19586659 450493157