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83825630 = 2571197509
BaseRepresentation
bin1001111111100…
…01001111011110
312211201210010222
410333301033132
5132424410010
612152401342
72035335410
oct477611736
9184653128
1083825630
1143354489
12240a6252
131449c785
14b1c09b0
15755c355
hex4ff13de

83825630 has 16 divisors (see below), whose sum is σ = 172441440. Its totient is φ = 28740192.

The previous prime is 83825627. The next prime is 83825641. The reversal of 83825630 is 3652838.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a Curzon number.

It is a congruent 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, 598685 + ... + 598824.

It is an arithmetic number, because the mean of its divisors is an integer number (10777590).

Almost surely, 283825630 is an apocalyptic number.

83825630 is an abundant number, since it is smaller than the sum of its proper divisors (88615810).

83825630 is a wasteful number, since it uses less digits than its factorization.

83825630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1197523.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 83825630 is about 9155.6337847251. The cubic root of 83825630 is about 437.6486656671.

The spelling of 83825630 in words is "eighty-three million, eight hundred twenty-five thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 1197509 2395018 5987545 8382563 11975090 16765126 41912815 83825630