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874404479 = 1325173991
BaseRepresentation
bin110100000111100…
…101101001111111
32020221100100110002
4310013211221333
53242321420404
6222433304515
730445213124
oct6407455177
92227310402
10874404479
11409640033
12204a0513b
1310c204400
14841b674b
1551b72c1e
hex341e5a7f

874404479 has 6 divisors (see below), whose sum is σ = 946840536. Its totient is φ = 807142440.

The previous prime is 874404473. The next prime is 874404481. The reversal of 874404479 is 974404478.

It is a de Polignac number, because none of the positive numbers 2k-874404479 is a prime.

It is a super-2 number, since 2×8744044792 = 1529166385790522882, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (874404473) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2586827 + ... + 2587164.

It is an arithmetic number, because the mean of its divisors is an integer number (157806756).

Almost surely, 2874404479 is an apocalyptic number.

874404479 is a deficient number, since it is larger than the sum of its proper divisors (72436057).

874404479 is a wasteful number, since it uses less digits than its factorization.

874404479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5174017 (or 5174004 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 47.

The square root of 874404479 is about 29570.3310600338. The cubic root of 874404479 is about 956.2485534374.

Subtracting 874404479 from its reverse (974404478), we obtain a palindrome (99999999).

It can be divided in two parts, 87440 and 4479, that added together give a palindrome (91919).

The spelling of 874404479 in words is "eight hundred seventy-four million, four hundred four thousand, four hundred seventy-nine".

Divisors: 1 13 169 5173991 67261883 874404479