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52201842 = 237111031097
BaseRepresentation
bin1100011100100…
…0100101110010
310122020010110120
43013020211302
5101330424332
65102511110
71202464650
oct307104562
9118203416
1052201842
1127515020
1215595496
13aa79684
146d0bdd0
1548b232c
hex31c8972

52201842 has 64 divisors (see below), whose sum is σ = 131549184. Its totient is φ = 13415040.

The previous prime is 52201841. The next prime is 52201921. The reversal of 52201842 is 24810225.

It is not an unprimeable number, because it can be changed into a prime (52201841) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47038 + ... + 48134.

It is an arithmetic number, because the mean of its divisors is an integer number (2055456).

Almost surely, 252201842 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52201842, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65774592).

52201842 is an abundant number, since it is smaller than the sum of its proper divisors (79347342).

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

52201842 is a wasteful number, since it uses less digits than its factorization.

52201842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223.

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 52201842 is about 7225.0842209624. The cubic root of 52201842 is about 373.7334264825.

The spelling of 52201842 in words is "fifty-two million, two hundred one thousand, eight hundred forty-two".

Divisors: 1 2 3 6 7 11 14 21 22 33 42 66 77 103 154 206 231 309 462 618 721 1097 1133 1442 2163 2194 2266 3291 3399 4326 6582 6798 7679 7931 12067 15358 15862 23037 23793 24134 36201 46074 47586 72402 84469 112991 168938 225982 253407 338973 506814 677946 790937 1242901 1581874 2372811 2485802 3728703 4745622 7457406 8700307 17400614 26100921 52201842