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30836225 = 527176207
BaseRepresentation
bin111010110100…
…0011000000001
32011000122100102
41311220120001
530343224400
63020532145
7523050350
oct165503001
964018312
1030836225
1116451792
12a3b1055
1365087b4
144149997
152a919d5
hex1d68601

30836225 has 12 divisors (see below), whose sum is σ = 43699584. Its totient is φ = 21144720.

The previous prime is 30836219. The next prime is 30836233. The reversal of 30836225 is 52263803.

It is not a de Polignac number, because 30836225 - 28 = 30835969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87929 + ... + 88278.

It is an arithmetic number, because the mean of its divisors is an integer number (3641632).

Almost surely, 230836225 is an apocalyptic number.

30836225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30836225 is a deficient number, since it is larger than the sum of its proper divisors (12863359).

30836225 is a wasteful number, since it uses less digits than its factorization.

30836225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176224 (or 176219 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 30836225 is about 5553.0374571040. The cubic root of 30836225 is about 313.5838842772.

The spelling of 30836225 in words is "thirty million, eight hundred thirty-six thousand, two hundred twenty-five".

Divisors: 1 5 7 25 35 175 176207 881035 1233449 4405175 6167245 30836225