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1073742020 = 225134129777
BaseRepresentation
bin100000000000000…
…0000000011000100
32202211102202010222
41000000000003010
54144334221040
6254314003512
735415441131
oct10000000304
92684382128
101073742020
115011102aa
1225b716598
131415b9010
14a2865588
15643eabb5
hex400000c4

1073742020 has 24 divisors (see below), whose sum is σ = 2428309464. Its totient is φ = 396458496.

The previous prime is 1073741993. The next prime is 1073742037. The reversal of 1073742020 is 202473701.

1073742020 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 196 + 1073741824 = 14^2 + 32768^2 .

It is a Harshad number since it is a multiple of its sum of digits (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2064629 + ... + 2065148.

It is an arithmetic number, because the mean of its divisors is an integer number (101179561).

Almost surely, 21073742020 is an apocalyptic number.

1073742020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1073742020 is an abundant number, since it is smaller than the sum of its proper divisors (1354567444).

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

1073742020 is a wasteful number, since it uses less digits than its factorization.

1073742020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129799 (or 4129797 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 1073742020 is about 32768.0029907225. The cubic root of 1073742020 is about 1024.0000623067. Note that the first 4 decimals are identical.

The spelling of 1073742020 in words is "one billion, seventy-three million, seven hundred forty-two thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 4129777 8259554 16519108 20648885 41297770 53687101 82595540 107374202 214748404 268435505 536871010 1073742020