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78029325 = 34521131113
BaseRepresentation
bin1001010011010…
…10001000001101
312102211022010000
410221222020031
5124433414300
611424234513
71635144513
oct451521015
9172738100
1078029325
1140055650
122216ba39
13132203ca
14a5124b3
156cb4c00
hex4a6a20d

78029325 has 120 divisors (see below), whose sum is σ = 164203776. Its totient is φ = 36288000.

The previous prime is 78029311. The next prime is 78029351. The reversal of 78029325 is 52392087.

It is a happy number.

It is not a de Polignac number, because 78029325 - 28 = 78029069 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 78029325.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 690469 + ... + 690581.

Almost surely, 278029325 is an apocalyptic number.

78029325 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

78029325 is an abundant number, since it is smaller than the sum of its proper divisors (86174451).

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

78029325 is a wasteful number, since it uses less digits than its factorization.

78029325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 78029325 is about 8833.4209115155. The cubic root of 78029325 is about 427.3194066386.

The spelling of 78029325 in words is "seventy-eight million, twenty-nine thousand, three hundred twenty-five".

Divisors: 1 3 5 9 11 15 25 27 31 33 45 55 75 81 93 99 113 135 155 165 225 275 279 297 339 341 405 465 495 565 675 775 825 837 891 1017 1023 1243 1395 1485 1695 1705 2025 2325 2475 2511 2825 3051 3069 3503 3729 4185 4455 5085 5115 6215 6975 7425 8475 8525 9153 9207 10509 11187 12555 15255 15345 17515 18645 20925 22275 25425 25575 27621 31075 31527 33561 38533 45765 46035 52545 55935 62775 76275 76725 87575 93225 94581 100683 115599 138105 157635 167805 192665 228825 230175 262725 279675 283743 346797 472905 503415 577995 690525 788175 839025 963325 1040391 1418715 1733985 2364525 2517075 2889975 3121173 5201955 7093575 8669925 15605865 26009775 78029325