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747142201 = 1357472477
BaseRepresentation
bin101100100010000…
…111110000111001
31221001212202102101
4230202013300321
53012232022301
6202045503401
724341414101
oct5442076071
91831782371
10747142201
11353818aa3
1218a271b61
13bba36aa0
147132a201
15458d5701
hex2c887c39

747142201 has 4 divisors (see below), whose sum is σ = 804614692. Its totient is φ = 689669712.

The previous prime is 747142199. The next prime is 747142211. The reversal of 747142201 is 102241747.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 219750976 + 527391225 = 14824^2 + 22965^2 .

It is a cyclic number.

It is not a de Polignac number, because 747142201 - 21 = 747142199 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 747142201.

It is not an unprimeable number, because it can be changed into a prime (747142211) 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, 28736226 + ... + 28736251.

It is an arithmetic number, because the mean of its divisors is an integer number (201153673).

Almost surely, 2747142201 is an apocalyptic number.

It is an amenable number.

747142201 is a deficient number, since it is larger than the sum of its proper divisors (57472491).

747142201 is a wasteful number, since it uses less digits than its factorization.

747142201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57472490.

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 747142201 is about 27333.9020448966. The cubic root of 747142201 is about 907.4048352678.

Adding to 747142201 its reverse (102241747), we get a palindrome (849383948).

The spelling of 747142201 in words is "seven hundred forty-seven million, one hundred forty-two thousand, two hundred one".

Divisors: 1 13 57472477 747142201