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78948106 = 283974903
BaseRepresentation
bin1001011010010…
…10011100001010
312111112222102221
410231022130022
5130202314411
611500044254
71646022256
oct455123412
9174488387
1078948106
1140622976
122253368a
1313482673
14a6b1266
156de7071
hex4b4a70a

78948106 has 16 divisors (see below), whose sum is σ = 121109184. Its totient is φ = 38588544.

The previous prime is 78948101. The next prime is 78948137. The reversal of 78948106 is 60184987.

It is not an unprimeable number, because it can be changed into a prime (78948101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13651 + ... + 18553.

It is an arithmetic number, because the mean of its divisors is an integer number (7569324).

Almost surely, 278948106 is an apocalyptic number.

78948106 is a deficient number, since it is larger than the sum of its proper divisors (42161078).

78948106 is a wasteful number, since it uses less digits than its factorization.

78948106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5085.

The product of its (nonzero) digits is 96768, while the sum is 43.

The square root of 78948106 is about 8885.2746721753. The cubic root of 78948106 is about 428.9900690119.

The spelling of 78948106 in words is "seventy-eight million, nine hundred forty-eight thousand, one hundred six".

Divisors: 1 2 83 97 166 194 4903 8051 9806 16102 406949 475591 813898 951182 39474053 78948106