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52702636 = 2273107359
BaseRepresentation
bin1100100100001…
…0110110101100
310200011120102111
43021002312230
5101442441021
65121333404
71206652000
oct311026654
9120146374
1052702636
11278272a8
1215797264
13abc35bc
146ddc700
1549608e1
hex3242dac

52702636 has 48 divisors (see below), whose sum is σ = 108864000. Its totient is φ = 22313424.

The previous prime is 52702633. The next prime is 52702681. The reversal of 52702636 is 63620725.

It is a junction number, because it is equal to n+sod(n) for n = 52702598 and 52702607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52702633) 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, 146625 + ... + 146983.

It is an arithmetic number, because the mean of its divisors is an integer number (2268000).

Almost surely, 252702636 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 52702636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54432000).

52702636 is an abundant number, since it is smaller than the sum of its proper divisors (56161364).

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

52702636 is a wasteful number, since it uses less digits than its factorization.

52702636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 52702636 is about 7259.6581186720. The cubic root of 52702636 is about 374.9247517163.

The spelling of 52702636 in words is "fifty-two million, seven hundred two thousand, six hundred thirty-six".

Divisors: 1 2 4 7 14 28 49 98 107 196 214 343 359 428 686 718 749 1372 1436 1498 2513 2996 5026 5243 10052 10486 17591 20972 35182 36701 38413 70364 73402 76826 123137 146804 153652 246274 268891 492548 537782 1075564 1882237 3764474 7528948 13175659 26351318 52702636