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2429992 = 23303749
BaseRepresentation
bin1001010001010000101000
311120110022201
421101100220
51110224432
6124025544
726440345
oct11212050
94513281
102429992
11140a764
129922b4
13671086
144737cc
1532eee7
hex251428

2429992 has 8 divisors (see below), whose sum is σ = 4556250. Its totient is φ = 1214992.

The previous prime is 2429983. The next prime is 2430007. The reversal of 2429992 is 2999242.

It can be written as a sum of positive squares in only one way, i.e., 1572516 + 857476 = 1254^2 + 926^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×24299922 = 11809722240128, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 151867 + ... + 151882.

22429992 is an apocalyptic number.

It is an amenable number.

2429992 is a deficient number, since it is larger than the sum of its proper divisors (2126258).

2429992 is a wasteful number, since it uses less digits than its factorization.

2429992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303755 (or 303751 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The square root of 2429992 is about 1558.8431608087. The cubic root of 2429992 is about 134.4419948606.

The spelling of 2429992 in words is "two million, four hundred twenty-nine thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 303749 607498 1214996 2429992