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1304213076 = 2237149087
BaseRepresentation
bin100110110111100…
…1011011001010100
310100220002220000000
41031233023121110
510132334304301
6333225451300
744214425325
oct11557133124
93326086000
101304213076
1160a215651
12304940b30
1317a28181a
14c52da44c
1579773786
hex4dbcb654

1304213076 has 48 divisors (see below), whose sum is σ = 3423060480. Its totient is φ = 434734776.

The previous prime is 1304213069. The next prime is 1304213077. The reversal of 1304213076 is 6703124031.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304213077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65796 + ... + 83291.

It is an arithmetic number, because the mean of its divisors is an integer number (71313760).

Almost surely, 21304213076 is an apocalyptic number.

It is an amenable number.

1304213076 is an abundant number, since it is smaller than the sum of its proper divisors (2118847404).

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

1304213076 is an equidigital number, since it uses as much as digits as its factorization.

1304213076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149112 (or 149092 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 1304213076 is about 36113.8903470673. The cubic root of 1304213076 is about 1092.5706171244.

The spelling of 1304213076 in words is "one billion, three hundred four million, two hundred thirteen thousand, seventy-six".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 729 972 1458 2187 2916 4374 8748 149087 298174 447261 596348 894522 1341783 1789044 2683566 4025349 5367132 8050698 12076047 16101396 24152094 36228141 48304188 72456282 108684423 144912564 217368846 326053269 434737692 652106538 1304213076