47101428 has 72 divisors (see below), whose sum is σ = 131092416. Its totient is φ = 14258640.

The previous prime is 47101427. The next prime is 47101463. The reversal of 47101428 is 82410174.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47101427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47425 + ... + 48407.

It is an arithmetic number, because the mean of its divisors is an integer number (1820728).

Almost surely, 2^47101428 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47101428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65546208).

47101428 is an abundant number, since it is smaller than the sum of its proper divisors (83990988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47101428 is a wasteful number, since it uses less digits than its factorization.

47101428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 999 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 47101428 is about 6863.0480109059. The cubic root of 47101428 is about 361.1420215031.

It can be divided in two parts, 47 and 101428, that added together give a triangular number (101475 = T₄₅₀).

The spelling of 47101428 in words is "forty-seven million, one hundred one thousand, four hundred twenty-eight".