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83628830 = 2519343331
BaseRepresentation
bin1001111110000…
…01001100011110
312211100210012002
410333001030132
5132402110310
612144242302
72033555555
oct477011436
9184323162
1083628830
114322a63a
1224010392
131443101c
14b16cd9c
15751dda5
hex4fc131e

83628830 has 16 divisors (see below), whose sum is σ = 151315344. Its totient is φ = 33277440.

The previous prime is 83628829. The next prime is 83628863. The reversal of 83628830 is 3882638.

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, 19736 + ... + 23595.

It is an arithmetic number, because the mean of its divisors is an integer number (9457209).

Almost surely, 283628830 is an apocalyptic number.

83628830 is a deficient number, since it is larger than the sum of its proper divisors (67686514).

83628830 is a wasteful number, since it uses less digits than its factorization.

83628830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43531.

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 83628830 is about 9144.8799882776. The cubic root of 83628830 is about 437.3059035619.

The spelling of 83628830 in words is "eighty-three million, six hundred twenty-eight thousand, eight hundred thirty".