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1016945028 = 2232116738329
BaseRepresentation
bin111100100111010…
…101100110000100
32121212120011022200
4330213111212010
54040314220103
6244524354500
734125614211
oct7447254604
92555504280
101016945028
11482047940
122446a5a30
131328c0c28
14990bcb08
155e42c0a3
hex3c9d5984

1016945028 has 72 divisors (see below), whose sum is σ = 2846232480. Its totient is φ = 303557760.

The previous prime is 1016945021. The next prime is 1016945029. The reversal of 1016945028 is 8205496101.

1016945028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 1016944983 and 1016945001.

It is not an unprimeable number, because it can be changed into a prime (1016945021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7368 + ... + 45696.

Almost surely, 21016945028 is an apocalyptic number.

1016945028 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1016945028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1423116240).

1016945028 is an abundant number, since it is smaller than the sum of its proper divisors (1829287452).

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

1016945028 is a wasteful number, since it uses less digits than its factorization.

1016945028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38417 (or 38412 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 1016945028 is about 31889.5755380971. The cubic root of 1016945028 is about 1005.6167358797.

The spelling of 1016945028 in words is "one billion, sixteen million, nine hundred forty-five thousand, twenty-eight".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 67 99 132 134 198 201 268 396 402 603 737 804 1206 1474 2211 2412 2948 4422 6633 8844 13266 26532 38329 76658 114987 153316 229974 344961 421619 459948 689922 843238 1264857 1379844 1686476 2529714 2568043 3794571 5059428 5136086 7589142 7704129 10272172 15178284 15408258 23112387 28248473 30816516 46224774 56496946 84745419 92449548 112993892 169490838 254236257 338981676 508472514 1016945028