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99952144 = 2413214729
BaseRepresentation
bin1011111010100…
…10011000010000
320222002002120021
411331102120100
5201041432034
613530153224
72322402445
oct575223020
9228062507
1099952144
1151469586
1229582814
1317927aa6
14d3bb9cc
158b956b4
hex5f52610

99952144 has 20 divisors (see below), whose sum is σ = 193844860. Its totient is φ = 49927680.

The previous prime is 99952123. The next prime is 99952147. The reversal of 99952144 is 44125999.

It can be written as a sum of positive squares in 2 ways, for example, as 43401744 + 56550400 = 6588^2 + 7520^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 99952144.

It is not an unprimeable number, because it can be changed into a prime (99952147) 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, 18772 + ... + 23500.

It is an arithmetic number, because the mean of its divisors is an integer number (9692243).

Almost surely, 299952144 is an apocalyptic number.

It is an amenable number.

99952144 is a deficient number, since it is larger than the sum of its proper divisors (93892716).

99952144 is a wasteful number, since it uses less digits than its factorization.

99952144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6058 (or 6052 counting only the distinct ones).

The product of its digits is 116640, while the sum is 43.

The square root of 99952144 is about 9997.6069136569. The cubic root of 99952144 is about 464.0848289218.

The spelling of 99952144 in words is "ninety-nine million, nine hundred fifty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 1321 2642 4729 5284 9458 10568 18916 21136 37832 75664 6247009 12494018 24988036 49976072 99952144