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42370452 = 223543591
BaseRepresentation
bin1010000110100…
…0010110010100
32221201122100000
42201220112110
541321323302
64112051300
71023100005
oct241502624
987648300
1042370452
1121a0a603
1212233b30
138a16797
1458ad1ac
153abe31c
hex2868594

42370452 has 36 divisors (see below), whose sum is σ = 111072416. Its totient is φ = 14123160.

The previous prime is 42370429. The next prime is 42370463. The reversal of 42370452 is 25407324.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20824 + ... + 22767.

Almost surely, 242370452 is an apocalyptic number.

It is an amenable number.

42370452 is an abundant number, since it is smaller than the sum of its proper divisors (68701964).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42370452 is a wasteful number, since it uses less digits than its factorization.

42370452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43610 (or 43596 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 42370452 is about 6509.2589439966. The cubic root of 42370452 is about 348.6216593319.

Adding to 42370452 its reverse (25407324), we get a palindrome (67777776).

The spelling of 42370452 in words is "forty-two million, three hundred seventy thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 43591 87182 130773 174364 261546 392319 523092 784638 1176957 1569276 2353914 3530871 4707828 7061742 10592613 14123484 21185226 42370452