Search a number
-
+
376820641 = 1987189643
BaseRepresentation
bin10110011101011…
…101001110100001
3222021001110202001
4112131131032201
51232431230031
6101220324001
712223631311
oct2635351641
9867043661
10376820641
11183783a1a
12a6243601
13600b6cc2
143808d441
1523135861
hex1675d3a1

376820641 has 4 divisors (see below), whose sum is σ = 377012272. Its totient is φ = 376629012.

The previous prime is 376820603. The next prime is 376820677. The reversal of 376820641 is 146028673.

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 376820641 - 211 = 376818593 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 376820641.

It is not an unprimeable number, because it can be changed into a prime (376823641) 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, 92835 + ... + 96808.

It is an arithmetic number, because the mean of its divisors is an integer number (94253068).

Almost surely, 2376820641 is an apocalyptic number.

It is an amenable number.

376820641 is a deficient number, since it is larger than the sum of its proper divisors (191631).

376820641 is a wasteful number, since it uses less digits than its factorization.

376820641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191630.

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 376820641 is about 19411.8685602391. The cubic root of 376820641 is about 722.2899321038.

The spelling of 376820641 in words is "three hundred seventy-six million, eight hundred twenty thousand, six hundred forty-one".

Divisors: 1 1987 189643 376820641