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76874893 = 1915725771
BaseRepresentation
bin1001001010100…
…00010010001101
312100122122112021
410211100102031
5124134444033
611343410141
71622266024
oct445202215
9170578467
1076874893
113a437277
12218b3951
1312c07b04
14a2d18bb
156b37b2d
hex495048d

76874893 has 8 divisors (see below), whose sum is σ = 81439520. Its totient is φ = 72362160.

The previous prime is 76874891. The next prime is 76874909. The reversal of 76874893 is 39847867.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 76874893 - 21 = 76874891 is a prime.

It is a super-2 number, since 2×768748932 = 11819498347522898, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 76874893.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76874891) 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, 9903 + ... + 15868.

It is an arithmetic number, because the mean of its divisors is an integer number (10179940).

Almost surely, 276874893 is an apocalyptic number.

It is an amenable number.

76874893 is a deficient number, since it is larger than the sum of its proper divisors (4564627).

76874893 is a wasteful number, since it uses less digits than its factorization.

76874893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25947.

The product of its digits is 2032128, while the sum is 52.

The square root of 76874893 is about 8767.8328565273. The cubic root of 76874893 is about 425.2015523821.

The spelling of 76874893 in words is "seventy-six million, eight hundred seventy-four thousand, eight hundred ninety-three".

Divisors: 1 19 157 2983 25771 489649 4046047 76874893