Search a number
-
+
677672023 = 72310933851
BaseRepresentation
bin101000011001000…
…111010001010111
31202020011022020211
4220121013101113
52341441001043
6151124510251
722536055120
oct5031072127
91666138224
10677672023
1131858a026
1216ab4b387
13aa522482
1466005047
153e761a9d
hex28647457

677672023 has 16 divisors (see below), whose sum is σ = 809104896. Its totient is φ = 554954400.

The previous prime is 677671987. The next prime is 677672081. The reversal of 677672023 is 320276776.

It is a happy number.

It is not a de Polignac number, because 677672023 - 217 = 677540951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (677672423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 174048 + ... + 177898.

It is an arithmetic number, because the mean of its divisors is an integer number (50569056).

Almost surely, 2677672023 is an apocalyptic number.

677672023 is a deficient number, since it is larger than the sum of its proper divisors (131432873).

677672023 is a wasteful number, since it uses less digits than its factorization.

677672023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4974.

The product of its (nonzero) digits is 148176, while the sum is 40.

The square root of 677672023 is about 26032.1344303536. The cubic root of 677672023 is about 878.3612852883.

The spelling of 677672023 in words is "six hundred seventy-seven million, six hundred seventy-two thousand, twenty-three".

Divisors: 1 7 23 161 1093 3851 7651 25139 26957 88573 175973 620011 4209143 29464001 96810289 677672023