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76800464 = 2413616053
BaseRepresentation
bin1001001001111…
…10000111010000
312100111212102122
410210332013100
5124130103324
611342033412
71621536026
oct444760720
9170455378
1076800464
113a396364
1221878868
1312bacc80
14a2b2716
156b20a5e
hex493e1d0

76800464 has 40 divisors (see below), whose sum is σ = 162901032. Its totient is φ = 34859520.

The previous prime is 76800463. The next prime is 76800467. The reversal of 76800464 is 46400867.

It can be written as a sum of positive squares in 4 ways, for example, as 9560464 + 67240000 = 3092^2 + 8200^2 .

It is a super-2 number, since 2×768004642 = 11796622541230592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76800463) 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, 9662 + ... + 15714.

Almost surely, 276800464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 76800464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81450516).

76800464 is an abundant number, since it is smaller than the sum of its proper divisors (86100568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76800464 is a wasteful number, since it uses less digits than its factorization.

76800464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6135 (or 6129 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 35.

The square root of 76800464 is about 8763.5873932996. The cubic root of 76800464 is about 425.0642837018.

The spelling of 76800464 in words is "seventy-six million, eight hundred thousand, four hundred sixty-four".

Divisors: 1 2 4 8 13 16 26 52 61 104 122 208 244 488 793 976 1586 3172 6053 6344 12106 12688 24212 48424 78689 96848 157378 314756 369233 629512 738466 1259024 1476932 2953864 4800029 5907728 9600058 19200116 38400232 76800464