Search a number
-
+
74828613 = 329978867
BaseRepresentation
bin1000111010111…
…00101101000101
312012210200120010
410131130231011
5123124003423
611231500433
71566014136
oct435345505
9165720503
1074828613
1139269932
1221087719
131266c5b2
149d1bc8d
156881693
hex475cb45

74828613 has 16 divisors (see below), whose sum is σ = 104287680. Its totient is φ = 47663616.

The previous prime is 74828603. The next prime is 74828627. The reversal of 74828613 is 31682847.

It is not a de Polignac number, because 74828613 - 26 = 74828549 is a prime.

74828613 is a modest number, since divided by 8613 gives 7482 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74828603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4006 + ... + 12872.

It is an arithmetic number, because the mean of its divisors is an integer number (6517980).

Almost surely, 274828613 is an apocalyptic number.

It is an amenable number.

74828613 is a deficient number, since it is larger than the sum of its proper divisors (29459067).

74828613 is a wasteful number, since it uses less digits than its factorization.

74828613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8996.

The product of its digits is 64512, while the sum is 39.

The square root of 74828613 is about 8650.3533453842. The cubic root of 74828613 is about 421.3948578877.

The spelling of 74828613 in words is "seventy-four million, eight hundred twenty-eight thousand, six hundred thirteen".

Divisors: 1 3 29 87 97 291 2813 8439 8867 26601 257143 771429 860099 2580297 24942871 74828613