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40470465 = 357385433
BaseRepresentation
bin1001101001100…
…0011111000001
32211011010001010
42122120133001
540330023330
64003231133
71000664460
oct232303701
984133033
1040470465
1120932072
12116784a9
1384cca29
1455369d7
1538463b0
hex26987c1

40470465 has 16 divisors (see below), whose sum is σ = 74003328. Its totient is φ = 18500736.

The previous prime is 40470427. The next prime is 40470481. The reversal of 40470465 is 56407404.

It is not a de Polignac number, because 40470465 - 212 = 40466369 is a prime.

It is a super-3 number, since 3×404704653 (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 192612 + ... + 192821.

It is an arithmetic number, because the mean of its divisors is an integer number (4625208).

Almost surely, 240470465 is an apocalyptic number.

It is an amenable number.

40470465 is a deficient number, since it is larger than the sum of its proper divisors (33532863).

40470465 is a wasteful number, since it uses less digits than its factorization.

40470465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385448.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 40470465 is about 6361.6401187115. The cubic root of 40470465 is about 343.3307731190.

Adding to 40470465 its reverse (56407404), we get a palindrome (96877869).

The spelling of 40470465 in words is "forty million, four hundred seventy thousand, four hundred sixty-five".

Divisors: 1 3 5 7 15 21 35 105 385433 1156299 1927165 2698031 5781495 8094093 13490155 40470465