Search a number
-
+
345515434 = 21124165167
BaseRepresentation
bin10100100110000…
…010010110101010
3220002011000001221
4110212002112222
51201422443214
654141332254
711363555425
oct2446022652
9802130057
10345515434
11168041950
129786708a
1356775c04
1433c609bc
15204eee24
hex149825aa

345515434 has 16 divisors (see below), whose sum is σ = 567743616. Its totient is φ = 156398400.

The previous prime is 345515431. The next prime is 345515441. The reversal of 345515434 is 434515543.

It is a self number, because there is not a number n which added to its sum of digits gives 345515434.

It is not an unprimeable number, because it can be changed into a prime (345515431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27282 + ... + 37885.

It is an arithmetic number, because the mean of its divisors is an integer number (35483976).

Almost surely, 2345515434 is an apocalyptic number.

345515434 is a deficient number, since it is larger than the sum of its proper divisors (222228182).

345515434 is a wasteful number, since it uses less digits than its factorization.

345515434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65421.

The product of its digits is 72000, while the sum is 34.

The square root of 345515434 is about 18588.0454593806. The cubic root of 345515434 is about 701.7070135008.

The spelling of 345515434 in words is "three hundred forty-five million, five hundred fifteen thousand, four hundred thirty-four".

Divisors: 1 2 11 22 241 482 2651 5302 65167 130334 716837 1433674 15705247 31410494 172757717 345515434