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76972898 = 2295313033
BaseRepresentation
bin1001001011010…
…00001101100010
312100211121222002
410211220031202
5124201113043
611345444002
71623154532
oct445501542
9170747862
1076972898
113a4a3972
1221940602
1312c405c2
14a3194c2
156b56bb8
hex4968362

76972898 has 8 divisors (see below), whose sum is σ = 115507308. Its totient is φ = 38470464.

The previous prime is 76972897. The next prime is 76972919. The reversal of 76972898 is 89827967.

It can be written as a sum of positive squares in 2 ways, for example, as 72880369 + 4092529 = 8537^2 + 2023^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (76972891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 611 + ... + 12422.

Almost surely, 276972898 is an apocalyptic number.

76972898 is a deficient number, since it is larger than the sum of its proper divisors (38534410).

76972898 is a wasteful number, since it uses less digits than its factorization.

76972898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15988.

The product of its digits is 3048192, while the sum is 56.

The square root of 76972898 is about 8773.4199717100. The cubic root of 76972898 is about 425.3821669728.

The spelling of 76972898 in words is "seventy-six million, nine hundred seventy-two thousand, eight hundred ninety-eight".

Divisors: 1 2 2953 5906 13033 26066 38486449 76972898