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4020077 = 19211583
BaseRepresentation
bin1111010101011101101101
321120020111202
433111131231
52012120302
6222055245
746112225
oct17253555
97506452
104020077
1122a6386
12141a525
13aa9a59
14769085
15546202
hex3d576d

4020077 has 4 divisors (see below), whose sum is σ = 4231680. Its totient is φ = 3808476.

The previous prime is 4020031. The next prime is 4020119. The reversal of 4020077 is 7700204.

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 4020077 - 212 = 4015981 is a prime.

It is a super-2 number, since 2×40200772 = 32322038171858, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4020017) 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, 105773 + ... + 105810.

It is an arithmetic number, because the mean of its divisors is an integer number (1057920).

Almost surely, 24020077 is an apocalyptic number.

It is an amenable number.

4020077 is a deficient number, since it is larger than the sum of its proper divisors (211603).

4020077 is a wasteful number, since it uses less digits than its factorization.

4020077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211602.

The product of its (nonzero) digits is 392, while the sum is 20.

The square root of 4020077 is about 2005.0129675391. The cubic root of 4020077 is about 159.0052475095.

The spelling of 4020077 in words is "four million, twenty thousand, seventy-seven".

Divisors: 1 19 211583 4020077