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52740492 = 22371394517
BaseRepresentation
bin1100100100110…
…0000110001100
310200020111100120
43021030012030
5102000143432
65122224540
71210200240
oct311140614
9120214316
1052740492
1127852792
12157b5150
13ac078bc
14700c420
15496bc2c
hex324c18c

52740492 has 48 divisors (see below), whose sum is σ = 141684480. Its totient is φ = 14956992.

The previous prime is 52740463. The next prime is 52740497. The reversal of 52740492 is 29404725.

It is not an unprimeable number, because it can be changed into a prime (52740497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9418 + ... + 13934.

It is an arithmetic number, because the mean of its divisors is an integer number (2951760).

Almost surely, 252740492 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52740492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70842240).

52740492 is an abundant number, since it is smaller than the sum of its proper divisors (88943988).

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

52740492 is a wasteful number, since it uses less digits than its factorization.

52740492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4670 (or 4668 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 52740492 is about 7262.2649359549. The cubic root of 52740492 is about 375.0144989950.

The spelling of 52740492 in words is "fifty-two million, seven hundred forty thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 139 278 417 556 834 973 1668 1946 2919 3892 4517 5838 9034 11676 13551 18068 27102 31619 54204 63238 94857 126476 189714 379428 627863 1255726 1883589 2511452 3767178 4395041 7534356 8790082 13185123 17580164 26370246 52740492