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437052913 = 1139732083
BaseRepresentation
bin11010000011001…
…110010111110001
31010110101120212221
4122003032113301
51343341143123
6111211321041
713554613513
oct3203162761
91113346787
10437052913
11204783360
12102450181
136c7158bb
144208bbb3
152858225d
hex1a0ce5f1

437052913 has 4 divisors (see below), whose sum is σ = 476785008. Its totient is φ = 397320820.

The previous prime is 437052871. The next prime is 437052919. The reversal of 437052913 is 319250734.

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-437052913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (437052919) 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, 19866031 + ... + 19866052.

It is an arithmetic number, because the mean of its divisors is an integer number (119196252).

Almost surely, 2437052913 is an apocalyptic number.

It is an amenable number.

437052913 is a deficient number, since it is larger than the sum of its proper divisors (39732095).

437052913 is a wasteful number, since it uses less digits than its factorization.

437052913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39732094.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 437052913 is about 20905.8105080860. The cubic root of 437052913 is about 758.8885606503. Note that the first 3 decimals are identical.

The spelling of 437052913 in words is "four hundred thirty-seven million, fifty-two thousand, nine hundred thirteen".

Divisors: 1 11 39732083 437052913