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28411701 = 39470567
BaseRepresentation
bin110110001100…
…0011100110101
31222110110112020
41230120130311
524233133301
62452543353
7463331643
oct154303465
958413466
1028411701
111504614a
129621b59
135b6a076
143ab8193
152763436
hex1b18735

28411701 has 4 divisors (see below), whose sum is σ = 37882272. Its totient is φ = 18941132.

The previous prime is 28411699. The next prime is 28411753. The reversal of 28411701 is 10711482.

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 28411701 - 21 = 28411699 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28411771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4735281 + ... + 4735286.

It is an arithmetic number, because the mean of its divisors is an integer number (9470568).

Almost surely, 228411701 is an apocalyptic number.

It is an amenable number.

28411701 is a deficient number, since it is larger than the sum of its proper divisors (9470571).

28411701 is an equidigital number, since it uses as much as digits as its factorization.

28411701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9470570.

The product of its (nonzero) digits is 448, while the sum is 24.

The square root of 28411701 is about 5330.2627514973. The cubic root of 28411701 is about 305.1399554767.

The spelling of 28411701 in words is "twenty-eight million, four hundred eleven thousand, seven hundred one".

Divisors: 1 3 9470567 28411701