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4007143557 = 321607327701
BaseRepresentation
bin1110111011011000…
…0010100010000101
3101100021010222120100
43232312002202011
531201312043212
61501342554313
7201205105164
oct35666024205
911307128510
104007143557
111776a2329a
12939b98999
134bb253081
142a02933db
15186bd6bdc
hexeed82885

4007143557 has 12 divisors (see below), whose sum is σ = 5788665324. Its totient is φ = 2671166400.

The previous prime is 4007143541. The next prime is 4007143561. The reversal of 4007143557 is 7553417004.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1169024481 + 2838119076 = 34191^2 + 53274^2 .

It is not a de Polignac number, because 4007143557 - 24 = 4007143541 is a prime.

It is a super-2 number, since 2×40071435572 = 32114398972813224498, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4007143577) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130807 + ... + 158507.

It is an arithmetic number, because the mean of its divisors is an integer number (482388777).

Almost surely, 24007143557 is an apocalyptic number.

It is an amenable number.

4007143557 is a deficient number, since it is larger than the sum of its proper divisors (1781521767).

4007143557 is a wasteful number, since it uses less digits than its factorization.

4007143557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43780 (or 43777 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 4007143557 is about 63302.0027882215. The cubic root of 4007143557 is about 1588.3454641440.

The spelling of 4007143557 in words is "four billion, seven million, one hundred forty-three thousand, five hundred fifty-seven".

Divisors: 1 3 9 16073 27701 48219 83103 144657 249309 445238173 1335714519 4007143557