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42901234 = 2171261801
BaseRepresentation
bin1010001110100…
…1111011110010
32222201121102121
42203221323302
541440314414
64131304454
71030440325
oct243517362
988647377
1042901234
1122242372
121244b12a
138b7125c
1459aa7bc
153b76724
hex28e9ef2

42901234 has 8 divisors (see below), whose sum is σ = 68137308. Its totient is φ = 20188800.

The previous prime is 42901231. The next prime is 42901247. The reversal of 42901234 is 43210924.

It can be written as a sum of positive squares in 2 ways, for example, as 42863209 + 38025 = 6547^2 + 195^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 42901199 and 42901208.

It is not an unprimeable number, because it can be changed into a prime (42901231) 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, 630867 + ... + 630934.

Almost surely, 242901234 is an apocalyptic number.

42901234 is a deficient number, since it is larger than the sum of its proper divisors (25236074).

42901234 is a wasteful number, since it uses less digits than its factorization.

42901234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1261820.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 42901234 is about 6549.9033580657. The cubic root of 42901234 is about 350.0713704795.

The spelling of 42901234 in words is "forty-two million, nine hundred one thousand, two hundred thirty-four".

Divisors: 1 2 17 34 1261801 2523602 21450617 42901234