Search a number
-
+
345134620 = 22519908249
BaseRepresentation
bin10100100100100…
…101011000011100
3220001102122200201
4110210211120130
51201323301440
654125233244
711360411245
oct2444453034
9801378621
10345134620
11167901826
1297702824
135667178c
1433ba1ccc
152047719a
hex1492561c

345134620 has 24 divisors (see below), whose sum is σ = 762930000. Its totient is φ = 130787712.

The previous prime is 345134617. The next prime is 345134623. The reversal of 345134620 is 26431543.

It is an interprime number because it is at equal distance from previous prime (345134617) and next prime (345134623).

It is a super-3 number, since 3×3451346203 (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (345134623) 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, 453745 + ... + 454504.

It is an arithmetic number, because the mean of its divisors is an integer number (31788750).

Almost surely, 2345134620 is an apocalyptic number.

It is an amenable number.

345134620 is an abundant number, since it is smaller than the sum of its proper divisors (417795380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

345134620 is a wasteful number, since it uses less digits than its factorization.

345134620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 908277 (or 908275 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 345134620 is about 18577.7991161494. The cubic root of 345134620 is about 701.4491204502.

The spelling of 345134620 in words is "three hundred forty-five million, one hundred thirty-four thousand, six hundred twenty".

Divisors: 1 2 4 5 10 19 20 38 76 95 190 380 908249 1816498 3632996 4541245 9082490 17256731 18164980 34513462 69026924 86283655 172567310 345134620