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34806945 = 3519711779
BaseRepresentation
bin1000010011000…
…1110010100001
32102111101011010
42010301302201
532402310240
63242011133
7601565655
oct204616241
972441133
1034806945
1118713a78
12b7a6aa9
137298c34
1448a0a65
1530c8280
hex2131ca1

34806945 has 16 divisors (see below), whose sum is σ = 55978560. Its totient is φ = 18467904.

The previous prime is 34806943. The next prime is 34806949. The reversal of 34806945 is 54960843.

It is not a de Polignac number, because 34806945 - 21 = 34806943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (34806943) 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, 2935 + ... + 8844.

It is an arithmetic number, because the mean of its divisors is an integer number (3498660).

Almost surely, 234806945 is an apocalyptic number.

It is an amenable number.

34806945 is a deficient number, since it is larger than the sum of its proper divisors (21171615).

34806945 is a wasteful number, since it uses less digits than its factorization.

34806945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11984.

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 34806945 is about 5899.7410960143. The cubic root of 34806945 is about 326.5040973449.

The spelling of 34806945 in words is "thirty-four million, eight hundred six thousand, nine hundred forty-five".

Divisors: 1 3 5 15 197 591 985 2955 11779 35337 58895 176685 2320463 6961389 11602315 34806945