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4030872 = 233167953
BaseRepresentation
bin1111011000000110011000
321120210022120
433120012120
52012441442
6222221240
746155546
oct17300630
97523276
104030872
1123034aa
121424820
13ab1941
1476cd96
155494ec
hex3d8198

4030872 has 16 divisors (see below), whose sum is σ = 10077240. Its totient is φ = 1343616.

The previous prime is 4030867. The next prime is 4030877. The reversal of 4030872 is 2780304.

It is an interprime number because it is at equal distance from previous prime (4030867) and next prime (4030877).

It is a Harshad number since it is a multiple of its sum of digits (24), and also a Moran number because the ratio is a prime number: 167953 = 4030872 / (4 + 0 + 3 + 0 + 8 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4030877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83953 + ... + 84000.

Almost surely, 24030872 is an apocalyptic number.

It is an amenable number.

4030872 is an abundant number, since it is smaller than the sum of its proper divisors (6046368).

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

4030872 is a wasteful number, since it uses less digits than its factorization.

4030872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167962 (or 167958 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 4030872 is about 2007.7031653110. The cubic root of 4030872 is about 159.1474444165.

The spelling of 4030872 in words is "four million, thirty thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 167953 335906 503859 671812 1007718 1343624 2015436 4030872