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42144074 = 273010291
BaseRepresentation
bin1010000011000…
…1000101001010
32221022010210122
42200301011022
541242102244
64103143242
71021135010
oct240610512
987263718
1042144074
1121875515
1212144b22
13896772b
1458508b0
153a771ee
hex283114a

42144074 has 8 divisors (see below), whose sum is σ = 72247008. Its totient is φ = 18061740.

The previous prime is 42144041. The next prime is 42144079. The reversal of 42144074 is 47044124.

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

It is a super-2 number, since 2×421440742 = 3552245946634952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144079) 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, 1505132 + ... + 1505159.

It is an arithmetic number, because the mean of its divisors is an integer number (9030876).

Almost surely, 242144074 is an apocalyptic number.

42144074 is a deficient number, since it is larger than the sum of its proper divisors (30102934).

42144074 is a wasteful number, since it uses less digits than its factorization.

42144074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3010300.

The product of its (nonzero) digits is 3584, while the sum is 26.

The square root of 42144074 is about 6491.8467326332. The cubic root of 42144074 is about 347.9996752100. Note that the first 3 decimals are identical.

Adding to 42144074 its reverse (47044124), we get a palindrome (89188198).

The spelling of 42144074 in words is "forty-two million, one hundred forty-four thousand, seventy-four".

Divisors: 1 2 7 14 3010291 6020582 21072037 42144074