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79242998 = 239621499
BaseRepresentation
bin1001011100100…
…10011011110110
312112002221221212
410232102123312
5130241233443
611510241422
71651361102
oct456223366
9175087855
1079242998
114080448a
1222656272
1313556963
14a74a902
156e54618
hex4b926f6

79242998 has 4 divisors (see below), whose sum is σ = 118864500. Its totient is φ = 39621498.

The previous prime is 79242997. The next prime is 79243009. The reversal of 79242998 is 89924297.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89924297 = 193465929.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79242991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19810748 + ... + 19810751.

It is an arithmetic number, because the mean of its divisors is an integer number (29716125).

Almost surely, 279242998 is an apocalyptic number.

79242998 is a deficient number, since it is larger than the sum of its proper divisors (39621502).

79242998 is a wasteful number, since it uses less digits than its factorization.

79242998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39621501.

The product of its digits is 653184, while the sum is 50.

The square root of 79242998 is about 8901.8536271947. The cubic root of 79242998 is about 429.5235357034.

The spelling of 79242998 in words is "seventy-nine million, two hundred forty-two thousand, nine hundred ninety-eight".

Divisors: 1 2 39621499 79242998