Search a number
-
+
307426 = 2723137
BaseRepresentation
bin1001011000011100010
3120121201011
41023003202
534314201
610331134
72420200
oct1130342
9517634
10307426
1119aa79
12129aaa
13a9c12
1480070
1561151
hex4b0e2

307426 has 12 divisors (see below), whose sum is σ = 536598. Its totient is φ = 131712.

The previous prime is 307423. The next prime is 307451. The reversal of 307426 is 624703.

It can be written as a sum of positive squares in only one way, i.e., 159201 + 148225 = 399^2 + 385^2 .

It is a plaindrome in base 12.

It is a junction number, because it is equal to n+sod(n) for n = 307397 and 307406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307423) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1471 + ... + 1666.

2307426 is an apocalyptic number.

307426 is a deficient number, since it is larger than the sum of its proper divisors (229172).

307426 is a wasteful number, since it uses less digits than its factorization.

307426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153 (or 3146 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 307426 is about 554.4600977528. The cubic root of 307426 is about 67.4911556771.

The spelling of 307426 in words is "three hundred seven thousand, four hundred twenty-six".

Divisors: 1 2 7 14 49 98 3137 6274 21959 43918 153713 307426