Search a number
-
+
2060506431 = 3437687523
BaseRepresentation
bin111101011010000…
…1101010100111111
312022121012120110000
41322310031110333
513204442201211
6540243445343
7102030005244
oct17264152477
95277176400
102060506431
11968113a85
12496086853
1326ab70999
141579295cb
15c0d65656
hex7ad0d53f

2060506431 has 20 divisors (see below), whose sum is σ = 3161235352. Its totient is φ = 1336542768.

The previous prime is 2060506429. The next prime is 2060506447. The reversal of 2060506431 is 1346050602.

2060506431 is a `hidden beast` number, since 20 + 605 + 0 + 6 + 4 + 31 = 666.

It is not a de Polignac number, because 2060506431 - 21 = 2060506429 is a prime.

It is a super-2 number, since 2×20605064312 = 8491373504384715522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2060506395 and 2060506404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2060506421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 340765 + ... + 346758.

Almost surely, 22060506431 is an apocalyptic number.

2060506431 is a deficient number, since it is larger than the sum of its proper divisors (1100728921).

2060506431 is an equidigital number, since it uses as much as digits as its factorization.

2060506431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687572 (or 687563 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2060506431 is about 45392.8015328422. The cubic root of 2060506431 is about 1272.5005872807.

The spelling of 2060506431 in words is "two billion, sixty million, five hundred six thousand, four hundred thirty-one".

Divisors: 1 3 9 27 37 81 111 333 999 2997 687523 2062569 6187707 18563121 25438351 55689363 76315053 228945159 686835477 2060506431