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83629684 = 2220907421
BaseRepresentation
bin1001111110000…
…01011001110100
312211100211100201
410333001121310
5132402122214
612144250244
72033561215
oct477013164
9184324321
1083629684
1143230246
1224010984
1314431528
14b16d40c
15751e274
hex4fc1674

83629684 has 6 divisors (see below), whose sum is σ = 146351954. Its totient is φ = 41814840.

The previous prime is 83629669. The next prime is 83629687. The reversal of 83629684 is 48692638.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 80496784 + 3132900 = 8972^2 + 1770^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83629687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10453707 + ... + 10453714.

Almost surely, 283629684 is an apocalyptic number.

It is an amenable number.

83629684 is a deficient number, since it is larger than the sum of its proper divisors (62722270).

83629684 is a wasteful number, since it uses less digits than its factorization.

83629684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20907425 (or 20907423 counting only the distinct ones).

The product of its digits is 497664, while the sum is 46.

The square root of 83629684 is about 9144.9266809527. The cubic root of 83629684 is about 437.3073921154.

The spelling of 83629684 in words is "eighty-three million, six hundred twenty-nine thousand, six hundred eighty-four".

Divisors: 1 2 4 20907421 41814842 83629684