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42154701 = 367320879
BaseRepresentation
bin1010000011001…
…1101011001101
32221022200101020
42200303223031
541242422301
64103304353
71021211001
oct240635315
987280336
1042154701
11218824a6
121214b0b9
13896c514
145854701
153a7a436
hex2833acd

42154701 has 8 divisors (see below), whose sum is σ = 56292480. Its totient is φ = 28060032.

The previous prime is 42154687. The next prime is 42154709. The reversal of 42154701 is 10745124.

42154701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42154701 - 27 = 42154573 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42154709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8421 + ... + 12458.

It is an arithmetic number, because the mean of its divisors is an integer number (7036560).

Almost surely, 242154701 is an apocalyptic number.

It is an amenable number.

42154701 is a deficient number, since it is larger than the sum of its proper divisors (14137779).

42154701 is a wasteful number, since it uses less digits than its factorization.

42154701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21555.

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 42154701 is about 6492.6651692506. The cubic root of 42154701 is about 348.0289231477.

Adding to 42154701 its reverse (10745124), we get a palindrome (52899825).

The spelling of 42154701 in words is "forty-two million, one hundred fifty-four thousand, seven hundred one".

Divisors: 1 3 673 2019 20879 62637 14051567 42154701