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2470023 = 321272161
BaseRepresentation
bin1001011011000010000111
311122111020100
421123002013
51113020043
6124535143
726665143
oct11330207
94574210
102470023
111437846
129b14b3
1368636a
14484223
1533bcd3
hex25b087

2470023 has 12 divisors (see below), whose sum is σ = 3597568. Its totient is φ = 1632960.

The previous prime is 2470003. The next prime is 2470031. The reversal of 2470023 is 3200742.

It is a happy number.

It is not a de Polignac number, because 2470023 - 213 = 2461831 is a prime.

It is a super-2 number, since 2×24700232 = 12202027241058, which contains 22 as substring.

It is a Duffinian number.

2470023 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2469978 and 2470005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2470003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63 + ... + 2223.

22470023 is an apocalyptic number.

2470023 is a deficient number, since it is larger than the sum of its proper divisors (1127545).

2470023 is a wasteful number, since it uses less digits than its factorization.

2470023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2294 (or 2291 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 2470023 is about 1571.6306818079. The cubic root of 2470023 is about 135.1762307513.

Adding to 2470023 its reverse (3200742), we get a palindrome (5670765).

The spelling of 2470023 in words is "two million, four hundred seventy thousand, twenty-three".

Divisors: 1 3 9 127 381 1143 2161 6483 19449 274447 823341 2470023