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33790071 = 3714910799
BaseRepresentation
bin1000000011100…
…1100001110111
32100120201021010
42000321201313
532122240241
63204123303
7560132220
oct200714167
970521233
1033790071
1118089a87
12b396533
137001133
1446b8247
152e76d16
hex2039877

33790071 has 16 divisors (see below), whose sum is σ = 51840000. Its totient is φ = 19177248.

The previous prime is 33790061. The next prime is 33790073. The reversal of 33790071 is 17009733.

It is not a de Polignac number, because 33790071 - 29 = 33789559 is a prime.

It is a super-2 number, since 2×337900712 = 2283537796370082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33790073) 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, 2271 + ... + 8528.

It is an arithmetic number, because the mean of its divisors is an integer number (3240000).

Almost surely, 233790071 is an apocalyptic number.

33790071 is a deficient number, since it is larger than the sum of its proper divisors (18049929).

33790071 is a wasteful number, since it uses less digits than its factorization.

33790071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10958.

The product of its (nonzero) digits is 3969, while the sum is 30.

The square root of 33790071 is about 5812.9227588194. The cubic root of 33790071 is about 323.2930497398.

The spelling of 33790071 in words is "thirty-three million, seven hundred ninety thousand, seventy-one".

Divisors: 1 3 7 21 149 447 1043 3129 10799 32397 75593 226779 1609051 4827153 11263357 33790071