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34007970 = 2354612459
BaseRepresentation
bin1000000110111…
…0101110100010
32100222210011110
42001232232202
532201223340
63212524150
7562030413
oct201565642
970883143
1034007970
1118218767
12b480656
137079379
14473380a
152ebb680
hex206eba2

34007970 has 32 divisors (see below), whose sum is σ = 81829440. Its totient is φ = 9045440.

The previous prime is 34007947. The next prime is 34007971. The reversal of 34007970 is 7970043.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (34007971) 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, 12601 + ... + 15059.

It is an arithmetic number, because the mean of its divisors is an integer number (2557170).

Almost surely, 234007970 is an apocalyptic number.

34007970 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34007970 is an abundant number, since it is smaller than the sum of its proper divisors (47821470).

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

34007970 is a wasteful number, since it uses less digits than its factorization.

34007970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2930.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 34007970 is about 5831.6352766613. The cubic root of 34007970 is about 323.9864915874.

The spelling of 34007970 in words is "thirty-four million, seven thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 461 922 1383 2305 2459 2766 4610 4918 6915 7377 12295 13830 14754 24590 36885 73770 1133599 2267198 3400797 5667995 6801594 11335990 17003985 34007970