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5143446 = 2337111237
BaseRepresentation
bin10011100111101110010110
3100200022111000
4103213232112
52304042241
6302124130
761501320
oct23475626
910608430
105143446
1129a3390
121880646
1310b1179
1497c610
156b8eb6
hex4e7b96

5143446 has 64 divisors (see below), whose sum is σ = 14261760. Its totient is φ = 1334880.

The previous prime is 5143429. The next prime is 5143447. The reversal of 5143446 is 6443415.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5143447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3540 + ... + 4776.

It is an arithmetic number, because the mean of its divisors is an integer number (222840).

Almost surely, 25143446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5143446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7130880).

5143446 is an abundant number, since it is smaller than the sum of its proper divisors (9118314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5143446 is a wasteful number, since it uses less digits than its factorization.

5143446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1260 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 5143446 is about 2267.9166651356. The cubic root of 5143446 is about 172.6174625297.

The spelling of 5143446 in words is "five million, one hundred forty-three thousand, four hundred forty-six".

Divisors: 1 2 3 6 7 9 11 14 18 21 22 27 33 42 54 63 66 77 99 126 154 189 198 231 297 378 462 594 693 1237 1386 2079 2474 3711 4158 7422 8659 11133 13607 17318 22266 25977 27214 33399 40821 51954 66798 77931 81642 95249 122463 155862 190498 233793 244926 285747 367389 467586 571494 734778 857241 1714482 2571723 5143446