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8340938 = 271151389
BaseRepresentation
bin11111110100010111001010
3120200202121122
4133310113022
54113402223
6454435242
7130616414
oct37642712
916622548
108340938
114787741
122962b22
131960688
1411719b4
15aeb5c8
hex7f45ca

8340938 has 16 divisors (see below), whose sum is σ = 12804480. Its totient is φ = 4074000.

The previous prime is 8340911. The next prime is 8340961. The reversal of 8340938 is 8390438.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 8340898 and 8340907.

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, 21248 + ... + 21636.

It is an arithmetic number, because the mean of its divisors is an integer number (800280).

Almost surely, 28340938 is an apocalyptic number.

8340938 is a deficient number, since it is larger than the sum of its proper divisors (4463542).

8340938 is a wasteful number, since it uses less digits than its factorization.

8340938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 8340938 is about 2888.0682124908. The cubic root of 8340938 is about 202.8017185942.

The spelling of 8340938 in words is "eight million, three hundred forty thousand, nine hundred thirty-eight".

Divisors: 1 2 71 142 151 302 389 778 10721 21442 27619 55238 58739 117478 4170469 8340938