Search a number
-
+
84974904 = 23327168601
BaseRepresentation
bin1010001000010…
…01110100111000
312220220011122200
411010021310320
5133223144104
612233150200
72051163150
oct504116470
9186804580
1084974904
1143a699a3
122455b360
13147b2911
14b3dd760
1576d7b39
hex5109d38

84974904 has 48 divisors (see below), whose sum is σ = 263019120. Its totient is φ = 24278400.

The previous prime is 84974881. The next prime is 84974909. The reversal of 84974904 is 40947948.

It is a self number, because there is not a number n which added to its sum of digits gives 84974904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84974909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83797 + ... + 84804.

It is an arithmetic number, because the mean of its divisors is an integer number (5479565).

Almost surely, 284974904 is an apocalyptic number.

84974904 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

84974904 is an abundant number, since it is smaller than the sum of its proper divisors (178044216).

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

84974904 is a wasteful number, since it uses less digits than its factorization.

84974904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168620 (or 168613 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 84974904 is about 9218.1833351263. The cubic root of 84974904 is about 439.6396912555.

The spelling of 84974904 in words is "eighty-four million, nine hundred seventy-four thousand, nine hundred four".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 252 504 168601 337202 505803 674404 1011606 1180207 1348808 1517409 2023212 2360414 3034818 3540621 4046424 4720828 6069636 7081242 9441656 10621863 12139272 14162484 21243726 28324968 42487452 84974904