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43250428 = 2213831739
BaseRepresentation
bin1010010011111…
…1001011111100
310000101100102201
42210333023330
542033003203
64143001244
71033423354
oct244771374
9100340381
1043250428
1122460761
1212599224
138c64190
145a5bb64
153be4e1d
hex293f2fc

43250428 has 12 divisors (see below), whose sum is σ = 81510520. Its totient is φ = 19961712.

The previous prime is 43250413. The next prime is 43250429. The reversal of 43250428 is 82405234.

It is a super-6 number, since 6×432504286 (a number of 47 digits) contains 666666 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 43250396 and 43250405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (43250429) 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, 415818 + ... + 415921.

Almost surely, 243250428 is an apocalyptic number.

It is an amenable number.

43250428 is a deficient number, since it is larger than the sum of its proper divisors (38260092).

43250428 is a wasteful number, since it uses less digits than its factorization.

43250428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 831756 (or 831754 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 43250428 is about 6576.5057591399. The cubic root of 43250428 is about 351.0186054645.

The spelling of 43250428 in words is "forty-three million, two hundred fifty thousand, four hundred twenty-eight".

Divisors: 1 2 4 13 26 52 831739 1663478 3326956 10812607 21625214 43250428