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2507042 = 21253521
BaseRepresentation
bin1001100100000100100010
311201101000102
421210010202
51120211132
6125422402
730211106
oct11440442
94641012
102507042
11146263a
12a0aa02
1369a175
14493906
15347c62
hex264122

2507042 has 4 divisors (see below), whose sum is σ = 3760566. Its totient is φ = 1253520.

The previous prime is 2507033. The next prime is 2507047. The reversal of 2507042 is 2407052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1819801 + 687241 = 1349^2 + 829^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2507047) by changing a digit.

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, 626759 + ... + 626762.

22507042 is an apocalyptic number.

2507042 is a deficient number, since it is larger than the sum of its proper divisors (1253524).

2507042 is a wasteful number, since it uses less digits than its factorization.

2507042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1253523.

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 2507042 is about 1583.3641400512. The cubic root of 2507042 is about 135.8481942247.

The spelling of 2507042 in words is "two million, five hundred seven thousand, forty-two".

Divisors: 1 2 1253521 2507042