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361405141 = 2315713267
BaseRepresentation
bin10101100010101…
…001101011010101
3221012001021122121
4111202221223111
51220004431031
655510055541
711645615206
oct2542515325
9835037577
10361405141
11176005039
12a104a5b1
1359b4a4c6
1435dd95ad
1521add011
hex158a9ad5

361405141 has 4 divisors (see below), whose sum is σ = 377118432. Its totient is φ = 345691852.

The previous prime is 361405139. The next prime is 361405181. The reversal of 361405141 is 141504163.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 361405141 - 21 = 361405139 is a prime.

It is a super-2 number, since 2×3614051412 = 261227351882459762, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (361405181) 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, 7856611 + ... + 7856656.

It is an arithmetic number, because the mean of its divisors is an integer number (94279608).

Almost surely, 2361405141 is an apocalyptic number.

It is an amenable number.

361405141 is a deficient number, since it is larger than the sum of its proper divisors (15713291).

361405141 is a wasteful number, since it uses less digits than its factorization.

361405141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15713290.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 361405141 is about 19010.6586156293. The cubic root of 361405141 is about 712.3030031352.

The spelling of 361405141 in words is "three hundred sixty-one million, four hundred five thousand, one hundred forty-one".

Divisors: 1 23 15713267 361405141