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52069740 = 2235867829
BaseRepresentation
bin1100011010100…
…0010101101100
310121222102020220
43012220111230
5101312212430
65100011340
71201404552
oct306502554
9117872226
1052069740
1127434848
1215530b50
13aa314c8
146cb5bd2
154888110
hex31a856c

52069740 has 24 divisors (see below), whose sum is σ = 145795440. Its totient is φ = 13885248.

The previous prime is 52069733. The next prime is 52069757. The reversal of 52069740 is 4796025.

It is a super-3 number, since 3×520697403 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433855 + ... + 433974.

It is an arithmetic number, because the mean of its divisors is an integer number (6074810).

Almost surely, 252069740 is an apocalyptic number.

It is an amenable number.

52069740 is an abundant number, since it is smaller than the sum of its proper divisors (93725700).

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

52069740 is a wasteful number, since it uses less digits than its factorization.

52069740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 867841 (or 867839 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 52069740 is about 7215.9365296543. The cubic root of 52069740 is about 373.4179035310.

The spelling of 52069740 in words is "fifty-two million, sixty-nine thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 867829 1735658 2603487 3471316 4339145 5206974 8678290 10413948 13017435 17356580 26034870 52069740