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42052448 = 257183223
BaseRepresentation
bin1010000001101…
…0101101100000
32221010111010002
42200122231200
541231134243
64101155132
71020303614
oct240325540
987114102
1042052448
1121812699
12120bbaa8
138934b09
145829344
153a59eb8
hex281ab60

42052448 has 48 divisors (see below), whose sum is σ = 85349376. Its totient is φ = 20388480.

The previous prime is 42052447. The next prime is 42052457. The reversal of 42052448 is 84425024.

It is a self number, because there is not a number n which added to its sum of digits gives 42052448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42052447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188465 + ... + 188687.

It is an arithmetic number, because the mean of its divisors is an integer number (1778112).

Almost surely, 242052448 is an apocalyptic number.

It is an amenable number.

42052448 is an abundant number, since it is smaller than the sum of its proper divisors (43296928).

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

42052448 is a wasteful number, since it uses less digits than its factorization.

42052448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 42052448 is about 6484.7858869819. The cubic root of 42052448 is about 347.7472952907.

The spelling of 42052448 in words is "forty-two million, fifty-two thousand, four hundred forty-eight".

Divisors: 1 2 4 8 16 32 71 83 142 166 223 284 332 446 568 664 892 1136 1328 1784 2272 2656 3568 5893 7136 11786 15833 18509 23572 31666 37018 47144 63332 74036 94288 126664 148072 188576 253328 296144 506656 592288 1314139 2628278 5256556 10513112 21026224 42052448