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77422125 = 353111372
BaseRepresentation
bin1001001110101…
…01111000101101
312101200110012010
410213111320231
5124310002000
611403231433
71630035324
oct447257055
9171613163
1077422125
113a780430
1221b18579
1313069c11
14a3d50bb
156be4d50
hex49d5e2d

77422125 has 48 divisors (see below), whose sum is σ = 141575616. Its totient is φ = 37264000.

The previous prime is 77422099. The next prime is 77422127. The reversal of 77422125 is 52122477.

It is not a de Polignac number, because 77422125 - 27 = 77421997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77422092 and 77422101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77422127) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 565057 + ... + 565193.

It is an arithmetic number, because the mean of its divisors is an integer number (2949492).

Almost surely, 277422125 is an apocalyptic number.

77422125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

77422125 is a deficient number, since it is larger than the sum of its proper divisors (64153491).

77422125 is a wasteful number, since it uses less digits than its factorization.

77422125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303 (or 156 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 77422125 is about 8798.9843163856. The cubic root of 77422125 is about 426.2080966596.

The spelling of 77422125 in words is "seventy-seven million, four hundred twenty-two thousand, one hundred twenty-five".

Divisors: 1 3 5 11 15 25 33 55 75 125 137 165 275 375 411 685 825 1375 1507 2055 3425 4125 4521 7535 10275 17125 18769 22605 37675 51375 56307 93845 113025 188375 206459 281535 469225 565125 619377 1032295 1407675 2346125 3096885 5161475 7038375 15484425 25807375 77422125