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42901437 = 3591631487
BaseRepresentation
bin1010001110100…
…1111110111101
32222201121201010
42203221332331
541440321222
64131305433
71030441035
oct243517675
988647633
1042901437
1122242537
121244b279
138b71387
1459aa8c5
153b7680c
hex28e9fbd

42901437 has 16 divisors (see below), whose sum is σ = 58567680. Its totient is φ = 27924912.

The previous prime is 42901429. The next prime is 42901477. The reversal of 42901437 is 73410924.

It is a happy number.

It is not a de Polignac number, because 42901437 - 23 = 42901429 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42901477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28108 + ... + 29594.

It is an arithmetic number, because the mean of its divisors is an integer number (3660480).

Almost surely, 242901437 is an apocalyptic number.

It is an amenable number.

42901437 is a deficient number, since it is larger than the sum of its proper divisors (15666243).

42901437 is a wasteful number, since it uses less digits than its factorization.

42901437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 42901437 is about 6549.9188544592. The cubic root of 42901437 is about 350.0719226343.

The spelling of 42901437 in words is "forty-two million, nine hundred one thousand, four hundred thirty-seven".

Divisors: 1 3 59 163 177 489 1487 4461 9617 28851 87733 242381 263199 727143 14300479 42901437