Search a number
-
+
340667131 = 7172198863
BaseRepresentation
bin10100010011100…
…010101011111011
3212202000200110011
4110103202223323
51144202322011
653445402351
711304423430
oct2423425373
9782020404
10340667131
11165330292
12961093b7
13557691ac
143335bb87
151ed93621
hex144e2afb

340667131 has 24 divisors (see below), whose sum is σ = 435399680. Its totient is φ = 260330112.

The previous prime is 340667101. The next prime is 340667137. The reversal of 340667131 is 131766043.

It is not a de Polignac number, because 340667131 - 217 = 340536059 is a prime.

It is a super-2 number, since 2×3406671312 = 232108188287542322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 340667093 and 340667102.

It is not an unprimeable number, because it can be changed into a prime (340667137) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34006 + ... + 42868.

Almost surely, 2340667131 is an apocalyptic number.

340667131 is a deficient number, since it is larger than the sum of its proper divisors (94732549).

340667131 is a wasteful number, since it uses less digits than its factorization.

340667131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8923 (or 8906 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 340667131 is about 18457.1701785512. The cubic root of 340667131 is about 698.4094027381.

The spelling of 340667131 in words is "three hundred forty million, six hundred sixty-seven thousand, one hundred thirty-one".

Divisors: 1 7 17 19 119 133 289 323 2023 2261 5491 8863 38437 62041 150671 168397 1054697 1178779 2561407 2862749 17929849 20039243 48666733 340667131