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230070834 = 2337608653
BaseRepresentation
bin11011011011010…
…01101000110010
3121000220210212000
431231221220302
5432344231314
634455114430
75462366310
oct1555515062
9530823760
10230070834
11108961694
1265072a16
13388855b6
14227ad0b0
15152e9209
hexdb69a32

230070834 has 32 divisors (see below), whose sum is σ = 584307840. Its totient is φ = 65734416.

The previous prime is 230070811. The next prime is 230070853. The reversal of 230070834 is 438070032.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 230070798 and 230070807.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303949 + ... + 304704.

It is an arithmetic number, because the mean of its divisors is an integer number (18259620).

Almost surely, 2230070834 is an apocalyptic number.

230070834 is an abundant number, since it is smaller than the sum of its proper divisors (354237006).

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

230070834 is a wasteful number, since it uses less digits than its factorization.

230070834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608671 (or 608665 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 230070834 is about 15168.0860361484. The cubic root of 230070834 is about 612.7554588428.

The spelling of 230070834 in words is "two hundred thirty million, seventy thousand, eight hundred thirty-four".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 378 608653 1217306 1825959 3651918 4260571 5477877 8521142 10955754 12781713 16433631 25563426 32867262 38345139 76690278 115035417 230070834