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42464799 = 3213227919
BaseRepresentation
bin1010000111111…
…1011000011111
32221220102202100
42201333120133
541332333144
64114100143
71023642036
oct241773037
987812670
1042464799
1121a74483
121227a653
138a4a700
1458d571d
153adc269
hex287f61f

42464799 has 18 divisors (see below), whose sum is σ = 66421680. Its totient is φ = 26131248.

The previous prime is 42464767. The next prime is 42464813. The reversal of 42464799 is 99746424.

It is not a de Polignac number, because 42464799 - 25 = 42464767 is a prime.

It is a super-2 number, since 2×424647992 = 3606518308220802, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42464749) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 12439 + ... + 15480.

Almost surely, 242464799 is an apocalyptic number.

42464799 is a deficient number, since it is larger than the sum of its proper divisors (23956881).

42464799 is a wasteful number, since it uses less digits than its factorization.

42464799 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27951 (or 27935 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 42464799 is about 6516.5020524818. The cubic root of 42464799 is about 348.8802280829.

It can be divided in two parts, 4246 and 4799, that added together give a triangular number (9045 = T134).

The spelling of 42464799 in words is "forty-two million, four hundred sixty-four thousand, seven hundred ninety-nine".

Divisors: 1 3 9 13 39 117 169 507 1521 27919 83757 251271 362947 1088841 3266523 4718311 14154933 42464799