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1378004676 = 223463248021
BaseRepresentation
bin101001000100010…
…1010111011000100
310120000221220001020
41102020222323010
510310232122201
6344423231140
746101563226
oct12210527304
93500856036
101378004676
11647936344
123255a84b0
1318c64a0a9
14d1028416
1580e9ca36
hex5222aec4

1378004676 has 24 divisors (see below), whose sum is σ = 3222301824. Its totient is φ = 458340960.

The previous prime is 1378004669. The next prime is 1378004699. The reversal of 1378004676 is 6764008731.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118455 + ... + 129566.

It is an arithmetic number, because the mean of its divisors is an integer number (134262576).

Almost surely, 21378004676 is an apocalyptic number.

It is an amenable number.

1378004676 is an abundant number, since it is smaller than the sum of its proper divisors (1844297148).

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

1378004676 is a wasteful number, since it uses less digits than its factorization.

1378004676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248491 (or 248489 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 1378004676 is about 37121.4853689881. The cubic root of 1378004676 is about 1112.7994365628.

The spelling of 1378004676 in words is "one billion, three hundred seventy-eight million, four thousand, six hundred seventy-six".

Divisors: 1 2 3 4 6 12 463 926 1389 1852 2778 5556 248021 496042 744063 992084 1488126 2976252 114833723 229667446 344501169 459334892 689002338 1378004676