Search a number
-
+
68674445 = 5710119427
BaseRepresentation
bin1000001011111…
…10001110001101
311210020000121222
410011332032031
5120040040240
610451533125
71462503020
oct405761615
9153200558
1068674445
1135846144
121abba1a5
13112c6388
1491991b7
156067eb5
hex417e38d

68674445 has 16 divisors (see below), whose sum is σ = 95119488. Its totient is φ = 46622400.

The previous prime is 68674439. The next prime is 68674451. The reversal of 68674445 is 54447686.

It is an interprime number because it is at equal distance from previous prime (68674439) and next prime (68674451).

It is not a de Polignac number, because 68674445 - 24 = 68674429 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 68674396 and 68674405.

It is a congruent number.

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, 6179 + ... + 13248.

It is an arithmetic number, because the mean of its divisors is an integer number (5944968).

Almost surely, 268674445 is an apocalyptic number.

It is an amenable number.

68674445 is a deficient number, since it is larger than the sum of its proper divisors (26445043).

68674445 is a wasteful number, since it uses less digits than its factorization.

68674445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19540.

The product of its digits is 645120, while the sum is 44.

The square root of 68674445 is about 8287.0045854941. The cubic root of 68674445 is about 409.5105104288.

The spelling of 68674445 in words is "sixty-eight million, six hundred seventy-four thousand, four hundred forty-five".

Divisors: 1 5 7 35 101 505 707 3535 19427 97135 135989 679945 1962127 9810635 13734889 68674445