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10428240 = 243543451
BaseRepresentation
bin100111110001…
…111101010000
3201121210212010
4213301331100
510132200430
61011302520
7154432014
oct47617520
921553763
1010428240
115982989
1235aaa40
132211774
141556544
15daecb0
hex9f1f50

10428240 has 40 divisors (see below), whose sum is σ = 32328288. Its totient is φ = 2780800.

The previous prime is 10428239. The next prime is 10428241. The reversal of 10428240 is 4282401.

It is an interprime number because it is at equal distance from previous prime (10428239) and next prime (10428241).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10428241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21486 + ... + 21965.

Almost surely, 210428240 is an apocalyptic number.

10428240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10428240 is an abundant number, since it is smaller than the sum of its proper divisors (21900048).

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

10428240 is a wasteful number, since it uses less digits than its factorization.

10428240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43467 (or 43461 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 10428240 is about 3229.2785572013. The cubic root of 10428240 is about 218.4759681515.

The spelling of 10428240 in words is "ten million, four hundred twenty-eight thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 60 80 120 240 43451 86902 130353 173804 217255 260706 347608 434510 521412 651765 695216 869020 1042824 1303530 1738040 2085648 2607060 3476080 5214120 10428240