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94171420 = 2257672653
BaseRepresentation
bin1011001110011…
…11000100011100
320120012101220101
411213033010130
5143101441140
613202230444
72222305150
oct547170434
9216171811
1094171420
1149180422
1227655424
1316682845
14c715060
15840299a
hex59cf11c

94171420 has 24 divisors (see below), whose sum is σ = 226011744. Its totient is φ = 32287296.

The previous prime is 94171393. The next prime is 94171421. The reversal of 94171420 is 2417149.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94171421) 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, 336187 + ... + 336466.

It is an arithmetic number, because the mean of its divisors is an integer number (9417156).

Almost surely, 294171420 is an apocalyptic number.

It is an amenable number.

94171420 is an abundant number, since it is smaller than the sum of its proper divisors (131840324).

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

94171420 is a wasteful number, since it uses less digits than its factorization.

94171420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 672669 (or 672667 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 94171420 is about 9704.1959996694. The cubic root of 94171420 is about 454.9598161187.

Adding to 94171420 its reverse (2417149), we get a palindrome (96588569).

It can be divided in two parts, 941 and 71420, that added together give a square (72361 = 2692).

The spelling of 94171420 in words is "ninety-four million, one hundred seventy-one thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 672653 1345306 2690612 3363265 4708571 6726530 9417142 13453060 18834284 23542855 47085710 94171420