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76552253 = 731048661
BaseRepresentation
bin1001001000000…
…01100000111101
312100001020221122
410210001200331
5124044133003
611332440325
71616453261
oct444014075
9170036848
1076552253
113a236928
12217790a5
1312b23cbb
14a24a0a1
156ac2238
hex490183d

76552253 has 4 divisors (see below), whose sum is σ = 77600988. Its totient is φ = 75503520.

The previous prime is 76552219. The next prime is 76552261. The reversal of 76552253 is 35225567.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 35225567 = 132709659.

It can be written as a sum of positive squares in 2 ways, for example, as 57350329 + 19201924 = 7573^2 + 4382^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-76552253 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76552213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524258 + ... + 524403.

It is an arithmetic number, because the mean of its divisors is an integer number (19400247).

Almost surely, 276552253 is an apocalyptic number.

76552253 is a gapful number since it is divisible by the number (73) formed by its first and last digit.

It is an amenable number.

76552253 is a deficient number, since it is larger than the sum of its proper divisors (1048735).

76552253 is a wasteful number, since it uses less digits than its factorization.

76552253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048734.

The product of its digits is 63000, while the sum is 35.

The square root of 76552253 is about 8749.4144375495. The cubic root of 76552253 is about 424.6058685180.

The spelling of 76552253 in words is "seventy-six million, five hundred fifty-two thousand, two hundred fifty-three".

Divisors: 1 73 1048661 76552253