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1074971668 = 22268742917
BaseRepresentation
bin100000000010010…
…1100010000010100
32202220202012220111
41000010230100110
54200143043133
6254400212404
735432052121
oct10004542024
92686665814
101074971668
11501880141
1226000a104
13141929914
14a2aa5748
15645901cd
hex4012c414

1074971668 has 6 divisors (see below), whose sum is σ = 1881200426. Its totient is φ = 537485832.

The previous prime is 1074971617. The next prime is 1074971669. The reversal of 1074971668 is 8661794701.

It can be written as a sum of positive squares in only one way, i.e., 703947024 + 371024644 = 26532^2 + 19262^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1074971669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134371455 + ... + 134371462.

Almost surely, 21074971668 is an apocalyptic number.

It is an amenable number.

1074971668 is a deficient number, since it is larger than the sum of its proper divisors (806228758).

1074971668 is a wasteful number, since it uses less digits than its factorization.

1074971668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268742921 (or 268742919 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 49.

The square root of 1074971668 is about 32786.7605597137. The cubic root of 1074971668 is about 1024.3908077086.

The spelling of 1074971668 in words is "one billion, seventy-four million, nine hundred seventy-one thousand, six hundred sixty-eight".

Divisors: 1 2 4 268742917 537485834 1074971668