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1074051820 = 22553702591
BaseRepresentation
bin100000000000100…
…1011101011101100
32202212000111010001
41000001023223230
54144424124240
6254324354044
735421201262
oct10001135354
92685014101
101074051820
11501302036
1225b845924
1314169702a
14a2906432
156445c89a
hex4004baec

1074051820 has 12 divisors (see below), whose sum is σ = 2255508864. Its totient is φ = 429620720.

The previous prime is 1074051791. The next prime is 1074051821. The reversal of 1074051820 is 281504701.

It is not an unprimeable number, because it can be changed into a prime (1074051821) 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, 26851276 + ... + 26851315.

It is an arithmetic number, because the mean of its divisors is an integer number (187959072).

Almost surely, 21074051820 is an apocalyptic number.

1074051820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1074051820 is an abundant number, since it is smaller than the sum of its proper divisors (1181457044).

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

1074051820 is a wasteful number, since it uses less digits than its factorization.

1074051820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53702600 (or 53702598 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1074051820 is about 32772.7298222165. The cubic root of 1074051820 is about 1024.0985355925.

The spelling of 1074051820 in words is "one billion, seventy-four million, fifty-one thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 53702591 107405182 214810364 268512955 537025910 1074051820