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4272870 = 235720347
BaseRepresentation
bin10000010011001011100110
322001002021110
4100103023212
52043212440
6231325450
751214230
oct20231346
98032243
104272870
1124592a8
121520886
13b67b34
147d3250
15596080
hex4132e6

4272870 has 32 divisors (see below), whose sum is σ = 11720448. Its totient is φ = 976608.

The previous prime is 4272859. The next prime is 4272881. The reversal of 4272870 is 782724.

It is an interprime number because it is at equal distance from previous prime (4272859) and next prime (4272881).

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

It is a congruent number.

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, 9964 + ... + 10383.

It is an arithmetic number, because the mean of its divisors is an integer number (366264).

Almost surely, 24272870 is an apocalyptic number.

4272870 is an abundant number, since it is smaller than the sum of its proper divisors (7447578).

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

4272870 is a wasteful number, since it uses less digits than its factorization.

4272870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20364.

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 4272870 is about 2067.0921604999. The cubic root of 4272870 is about 162.2706191650.

The spelling of 4272870 in words is "four million, two hundred seventy-two thousand, eight hundred seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 20347 40694 61041 101735 122082 142429 203470 284858 305205 427287 610410 712145 854574 1424290 2136435 4272870