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42950736 = 243511047
BaseRepresentation
bin1010001111011…
…0000001010000
32222211010100000
42203312001100
541443410421
64132330000
71031034543
oct243660120
988733300
1042950736
1122276584
1212473900
138b8a94a
1459c085a
153b86226
hex28f6050

42950736 has 60 divisors (see below), whose sum is σ = 124665632. Its totient is φ = 14315616.

The previous prime is 42950701. The next prime is 42950741. The reversal of 42950736 is 63705924.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 42950736.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1636 + ... + 9411.

Almost surely, 242950736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42950736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62332816).

42950736 is an abundant number, since it is smaller than the sum of its proper divisors (81714896).

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

42950736 is a wasteful number, since it uses less digits than its factorization.

42950736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11070 (or 11052 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 42950736 is about 6553.6811030138. The cubic root of 42950736 is about 350.2059631277.

The spelling of 42950736 in words is "forty-two million, nine hundred fifty thousand, seven hundred thirty-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 243 324 432 486 648 972 1296 1944 3888 11047 22094 33141 44188 66282 88376 99423 132564 176752 198846 265128 298269 397692 530256 596538 795384 894807 1193076 1590768 1789614 2386152 2684421 3579228 4772304 5368842 7158456 10737684 14316912 21475368 42950736