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29825970 = 235994199
BaseRepresentation
bin111000111000…
…1101110110010
32002010022112120
41301301232302
530113412340
62543135110
7511342116
oct161615662
962108476
1029825970
1115921769
129ba4496
136243a05
143d65746
1529424d0
hex1c71bb2

29825970 has 16 divisors (see below), whose sum is σ = 71582400. Its totient is φ = 7953584.

The previous prime is 29825969. The next prime is 29825981. The reversal of 29825970 is 7952892.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497070 + ... + 497129.

It is an arithmetic number, because the mean of its divisors is an integer number (4473900).

Almost surely, 229825970 is an apocalyptic number.

29825970 is an abundant number, since it is smaller than the sum of its proper divisors (41756430).

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

29825970 is a wasteful number, since it uses less digits than its factorization.

29825970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994209.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 29825970 is about 5461.3157755252. The cubic root of 29825970 is about 310.1212498294.

The spelling of 29825970 in words is "twenty-nine million, eight hundred twenty-five thousand, nine hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 994199 1988398 2982597 4970995 5965194 9941990 14912985 29825970