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34993961 = 127275543
BaseRepresentation
bin1000010101111…
…1011100101001
32102211212200122
42011133130221
532424301321
63250013025
7603305132
oct205373451
972755618
1034993961
1118831532
12b877175
1373330b2
14490cc89
1531138ab
hex215f729

34993961 has 4 divisors (see below), whose sum is σ = 35269632. Its totient is φ = 34718292.

The previous prime is 34993957. The next prime is 34993969. The reversal of 34993961 is 16939943.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16939943 = 113149911.

It is a cyclic number.

It is not a de Polignac number, because 34993961 - 22 = 34993957 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34993969) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137645 + ... + 137898.

It is an arithmetic number, because the mean of its divisors is an integer number (8817408).

Almost surely, 234993961 is an apocalyptic number.

It is an amenable number.

34993961 is a deficient number, since it is larger than the sum of its proper divisors (275671).

34993961 is a wasteful number, since it uses less digits than its factorization.

34993961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275670.

The product of its digits is 157464, while the sum is 44.

The square root of 34993961 is about 5915.5693724273. The cubic root of 34993961 is about 327.0878166325.

The spelling of 34993961 in words is "thirty-four million, nine hundred ninety-three thousand, nine hundred sixty-one".

Divisors: 1 127 275543 34993961