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53706906 = 23211377331
BaseRepresentation
bin1100110011100…
…0000010011010
310202001121000200
43030320002122
5102222110111
65155043030
71221333621
oct314700232
9122047020
1053706906
1128352880
1215ba0476
13b185746
1471c06b8
154aad256
hex333809a

53706906 has 48 divisors (see below), whose sum is σ = 130392288. Its totient is φ = 15832800.

The previous prime is 53706899. The next prime is 53706923. The reversal of 53706906 is 60960735.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3661 + ... + 10991.

It is an arithmetic number, because the mean of its divisors is an integer number (2716506).

Almost surely, 253706906 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 53706906, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65196144).

53706906 is an abundant number, since it is smaller than the sum of its proper divisors (76685382).

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

53706906 is a wasteful number, since it uses less digits than its factorization.

53706906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7387 (or 7384 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 53706906 is about 7328.4995735826. The cubic root of 53706906 is about 377.2912308515.

The spelling of 53706906 in words is "fifty-three million, seven hundred six thousand, nine hundred six".

Divisors: 1 2 3 6 9 11 18 22 33 37 66 74 99 111 198 222 333 407 666 814 1221 2442 3663 7326 7331 14662 21993 43986 65979 80641 131958 161282 241923 271247 483846 542494 725769 813741 1451538 1627482 2441223 2983717 4882446 5967434 8951151 17902302 26853453 53706906