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4027961 = 72572239
BaseRepresentation
bin1111010111011000111001
321120122022202
433113120321
52012343321
6222155545
746144220
oct17273071
97518282
104027961
1123012a3
121422bb5
13ab0512
1476bcb7
1554870b
hex3d7639

4027961 has 8 divisors (see below), whose sum is σ = 4623360. Its totient is φ = 3437568.

The previous prime is 4027957. The next prime is 4027993. The reversal of 4027961 is 1697204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4027961 - 22 = 4027957 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4021961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 680 + ... + 2918.

It is an arithmetic number, because the mean of its divisors is an integer number (577920).

Almost surely, 24027961 is an apocalyptic number.

It is an amenable number.

4027961 is a deficient number, since it is larger than the sum of its proper divisors (595399).

4027961 is a wasteful number, since it uses less digits than its factorization.

4027961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 4027961 is about 2006.9780766117. The cubic root of 4027961 is about 159.1091243559.

The spelling of 4027961 in words is "four million, twenty-seven thousand, nine hundred sixty-one".

Divisors: 1 7 257 1799 2239 15673 575423 4027961