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20074571 = 1113113931
BaseRepresentation
bin100110010010…
…1000001001011
31101202220010122
41030211001023
520114341241
61554133455
7332426306
oct114450113
941686118
1020074571
1110371360
12688128b
13420b35a
142947b3d
151b6804b
hex132504b

20074571 has 8 divisors (see below), whose sum is σ = 22068288. Its totient is φ = 18109000.

The previous prime is 20074567. The next prime is 20074589. The reversal of 20074571 is 17547002.

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 20074571 - 22 = 20074567 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20074571.

It is not an unprimeable number, because it can be changed into a prime (20074511) 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, 5525 + ... + 8406.

It is an arithmetic number, because the mean of its divisors is an integer number (2758536).

Almost surely, 220074571 is an apocalyptic number.

20074571 is a deficient number, since it is larger than the sum of its proper divisors (1993717).

20074571 is a wasteful number, since it uses less digits than its factorization.

20074571 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14073.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 20074571 is about 4480.4654892098. The cubic root of 20074571 is about 271.7787046297.

The spelling of 20074571 in words is "twenty million, seventy-four thousand, five hundred seventy-one".

Divisors: 1 11 131 1441 13931 153241 1824961 20074571