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345213042 = 23297272729
BaseRepresentation
bin10100100100111…
…000100001110010
3220001120122021020
4110210320201302
51201333304132
654131040310
711361156006
oct2444704162
9801518236
10345213042
11167955739
1297740096
135669b395
1433bc2706
152049052c
hex14938872

345213042 has 32 divisors (see below), whose sum is σ = 715478400. Its totient is φ = 110909568.

The previous prime is 345213017. The next prime is 345213047. The reversal of 345213042 is 240312543.

It is not an unprimeable number, because it can be changed into a prime (345213047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125134 + ... + 127862.

It is an arithmetic number, because the mean of its divisors is an integer number (22358700).

Almost surely, 2345213042 is an apocalyptic number.

345213042 is an abundant number, since it is smaller than the sum of its proper divisors (370265358).

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

345213042 is a wasteful number, since it uses less digits than its factorization.

345213042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3490.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 345213042 is about 18579.9096337953. The cubic root of 345213042 is about 701.5022445297.

Adding to 345213042 its reverse (240312543), we get a palindrome (585525585).

The spelling of 345213042 in words is "three hundred forty-five million, two hundred thirteen thousand, forty-two".

Divisors: 1 2 3 6 29 58 87 174 727 1454 2181 2729 4362 5458 8187 16374 21083 42166 63249 79141 126498 158282 237423 474846 1983983 3967966 5951949 11903898 57535507 115071014 172606521 345213042