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40770023 = 713214409
BaseRepresentation
bin1001101110000…
…1100111100111
32211201022221212
42123201213213
540414120043
64013502035
71003353020
oct233414747
984638855
1040770023
1121017138
12117a191b
1385a6198
1455b3c47
1538a5018
hex26e19e7

40770023 has 8 divisors (see below), whose sum is σ = 46640160. Its totient is φ = 34911360.

The previous prime is 40770011. The next prime is 40770043. The reversal of 40770023 is 32007704.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40770023 - 26 = 40769959 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40770043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7043 + ... + 11451.

It is an arithmetic number, because the mean of its divisors is an integer number (5830020).

Almost surely, 240770023 is an apocalyptic number.

40770023 is a deficient number, since it is larger than the sum of its proper divisors (5870137).

40770023 is a wasteful number, since it uses less digits than its factorization.

40770023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5737.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 40770023 is about 6385.1407971947. The cubic root of 40770023 is about 344.1757906958.

Adding to 40770023 its reverse (32007704), we get a palindrome (72777727).

The spelling of 40770023 in words is "forty million, seven hundred seventy thousand, twenty-three".

Divisors: 1 7 1321 4409 9247 30863 5824289 40770023