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37428028 = 2211850637
BaseRepresentation
bin1000111011000…
…1101100111100
32121102112121021
42032301230330
534040144103
63414113524
7633063421
oct216615474
977375537
1037428028
111a144260
121064b8a4
1379a5c81
144d83d48
153444bbd
hex23b1b3c

37428028 has 12 divisors (see below), whose sum is σ = 71453592. Its totient is φ = 17012720.

The previous prime is 37428019. The next prime is 37428029. The reversal of 37428028 is 82082473.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 37427984 and 37428002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37428029) 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, 425275 + ... + 425362.

It is an arithmetic number, because the mean of its divisors is an integer number (5954466).

Almost surely, 237428028 is an apocalyptic number.

It is an amenable number.

37428028 is a deficient number, since it is larger than the sum of its proper divisors (34025564).

37428028 is a wasteful number, since it uses less digits than its factorization.

37428028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850652 (or 850650 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 37428028 is about 6117.8450454388. The cubic root of 37428028 is about 334.5022026648.

The spelling of 37428028 in words is "thirty-seven million, four hundred twenty-eight thousand, twenty-eight".

Divisors: 1 2 4 11 22 44 850637 1701274 3402548 9357007 18714014 37428028