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711474021 = 321712173821
BaseRepresentation
bin101010011010000…
…011101101100101
31211120202121212200
4222122003231211
52424114132041
6154333205113
723426300166
oct5232035545
91746677780
10711474021
11335676a65
1217a330799
13b4528b5b
146a6c376d
15426dc1b6
hex2a683b65

711474021 has 24 divisors (see below), whose sum is σ = 1089315864. Its totient is φ = 445931520.

The previous prime is 711474011. The next prime is 711474037. The reversal of 711474021 is 120474117.

711474021 is digitally balanced in base 2, 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 286083396 + 425390625 = 16914^2 + 20625^2 .

It is a de Polignac number, because none of the positive numbers 2k-711474021 is a prime.

It is a super-3 number, since 3×7114740213 (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (711474011) 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, 184291 + ... + 188111.

It is an arithmetic number, because the mean of its divisors is an integer number (45388161).

Almost surely, 2711474021 is an apocalyptic number.

It is an amenable number.

711474021 is a deficient number, since it is larger than the sum of its proper divisors (377841843).

711474021 is a wasteful number, since it uses less digits than its factorization.

711474021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5061 (or 5058 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 711474021 is about 26673.4703591415. The cubic root of 711474021 is about 892.7290808519.

The spelling of 711474021 in words is "seven hundred eleven million, four hundred seventy-four thousand, twenty-one".

Divisors: 1 3 9 17 51 153 1217 3651 3821 10953 11463 20689 34389 62067 64957 186201 194871 584613 4650157 13950471 41851413 79052669 237158007 711474021