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66970050 = 2352763781
BaseRepresentation
bin1111111101111…
…0000111000010
311200000102122020
43333132013002
5114121020200
610351222310
71442143650
oct377360702
9150012566
1066970050
1134891654
121a517996
1310b4a664
148c73dd0
155d2cea0
hex3fde1c2

66970050 has 48 divisors (see below), whose sum is σ = 189815232. Its totient is φ = 15307200.

The previous prime is 66970039. The next prime is 66970081. The reversal of 66970050 is 5007966.

It is a junction number, because it is equal to n+sod(n) for n = 66969993 and 66970020.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30841 + ... + 32940.

It is an arithmetic number, because the mean of its divisors is an integer number (3954484).

Almost surely, 266970050 is an apocalyptic number.

66970050 is an abundant number, since it is smaller than the sum of its proper divisors (122845182).

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

66970050 is a wasteful number, since it uses less digits than its factorization.

66970050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63803 (or 63798 counting only the distinct ones).

The product of its (nonzero) digits is 11340, while the sum is 33.

The square root of 66970050 is about 8183.5230799455. The cubic root of 66970050 is about 406.0942819373.

The spelling of 66970050 in words is "sixty-six million, nine hundred seventy thousand, fifty".

Divisors: 1 2 3 5 6 7 10 14 15 21 25 30 35 42 50 70 75 105 150 175 210 350 525 1050 63781 127562 191343 318905 382686 446467 637810 892934 956715 1339401 1594525 1913430 2232335 2678802 3189050 4464670 4783575 6697005 9567150 11161675 13394010 22323350 33485025 66970050