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94982021 = 227418423
BaseRepresentation
bin1011010100101…
…00111110000101
320121201120211122
411222110332011
5143303411041
613231443325
72232222341
oct552247605
9217646748
1094982021
1149684442
1227986545
13168a77a4
14c886621
158512c4b
hex5a94f85

94982021 has 4 divisors (see below), whose sum is σ = 95400672. Its totient is φ = 94563372.

The previous prime is 94981981. The next prime is 94982029. The reversal of 94982021 is 12028949.

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 a de Polignac number, because none of the positive numbers 2k-94982021 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (94982029) 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, 208985 + ... + 209438.

It is an arithmetic number, because the mean of its divisors is an integer number (23850168).

Almost surely, 294982021 is an apocalyptic number.

It is an amenable number.

94982021 is a deficient number, since it is larger than the sum of its proper divisors (418651).

94982021 is a wasteful number, since it uses less digits than its factorization.

94982021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418650.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 94982021 is about 9745.8719979281. The cubic root of 94982021 is about 456.2614770116.

The spelling of 94982021 in words is "ninety-four million, nine hundred eighty-two thousand, twenty-one".

Divisors: 1 227 418423 94982021