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42670154 = 2142714951
BaseRepresentation
bin1010001011000…
…1100001001010
32222021212110002
42202301201022
541410421104
64122323002
71025455532
oct242614112
988255402
1042670154
11220a479a
1212359462
138ac0017
14594a4c2
153b2d01e
hex28b184a

42670154 has 8 divisors (see below), whose sum is σ = 64054368. Its totient is φ = 21318700.

The previous prime is 42670151. The next prime is 42670183. The reversal of 42670154 is 45107624.

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

It is not an unprimeable number, because it can be changed into a prime (42670151) 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, 4622 + ... + 10329.

It is an arithmetic number, because the mean of its divisors is an integer number (8006796).

Almost surely, 242670154 is an apocalyptic number.

42670154 is a deficient number, since it is larger than the sum of its proper divisors (21384214).

42670154 is a wasteful number, since it uses less digits than its factorization.

42670154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16380.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 42670154 is about 6532.2395853183. The cubic root of 42670154 is about 349.4417058423.

Adding to 42670154 its reverse (45107624), we get a palindrome (87777778).

It can be divided in two parts, 42670 and 154, that added together give a palindrome (42824).

The spelling of 42670154 in words is "forty-two million, six hundred seventy thousand, one hundred fifty-four".

Divisors: 1 2 1427 2854 14951 29902 21335077 42670154