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331634141 = 2371139871
BaseRepresentation
bin10011110001000…
…101010111011101
3212010000202111222
4103301011113131
51134344243031
652524023125
711134562246
oct2361052735
9763022458
10331634141
11160220703
1293091aa5
1353925827
1432089ccd
151e1abe7b
hex13c455dd

331634141 has 4 divisors (see below), whose sum is σ = 331776384. Its totient is φ = 331491900.

The previous prime is 331634137. The next prime is 331634143. The reversal of 331634141 is 141436133.

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 331634141 - 22 = 331634137 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 331634141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331634143) 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, 67565 + ... + 72306.

It is an arithmetic number, because the mean of its divisors is an integer number (82944096).

Almost surely, 2331634141 is an apocalyptic number.

It is an amenable number.

331634141 is a deficient number, since it is larger than the sum of its proper divisors (142243).

331634141 is a wasteful number, since it uses less digits than its factorization.

331634141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142242.

The product of its digits is 2592, while the sum is 26.

The square root of 331634141 is about 18210.8248303035. The cubic root of 331634141 is about 692.1811125898.

The spelling of 331634141 in words is "three hundred thirty-one million, six hundred thirty-four thousand, one hundred forty-one".

Divisors: 1 2371 139871 331634141