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37081428 = 22323134353
BaseRepresentation
bin1000110101110…
…1000101010100
32120202221011020
42031131011110
533443101203
63402441140
7630121056
oct215350524
976687136
1037081428
1119a2790a
12105031b0
1378b4297
144cd38d6
1533c7153
hex235d154

37081428 has 24 divisors (see below), whose sum is σ = 90285888. Its totient is φ = 11822976.

The previous prime is 37081427. The next prime is 37081433. The reversal of 37081428 is 82418073.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37081427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66901 + ... + 67452.

It is an arithmetic number, because the mean of its divisors is an integer number (3761912).

Almost surely, 237081428 is an apocalyptic number.

It is an amenable number.

37081428 is an abundant number, since it is smaller than the sum of its proper divisors (53204460).

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

37081428 is a wasteful number, since it uses less digits than its factorization.

37081428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134383 (or 134381 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 37081428 is about 6089.4521921106. The cubic root of 37081428 is about 333.4664530526.

The spelling of 37081428 in words is "thirty-seven million, eighty-one thousand, four hundred twenty-eight".

Divisors: 1 2 3 4 6 12 23 46 69 92 138 276 134353 268706 403059 537412 806118 1612236 3090119 6180238 9270357 12360476 18540714 37081428