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84977948 = 22111931317
BaseRepresentation
bin1010001000010…
…10100100011100
312220220022211102
411010022210130
5133223243243
612233212232
72051205056
oct504124434
9186808742
1084977948
1143a71210
1224561078
13147b4113
14b4008d6
1576d89b8
hex510a91c

84977948 has 12 divisors (see below), whose sum is σ = 162230712. Its totient is φ = 38626320.

The previous prime is 84977947. The next prime is 84977989.

84977948 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 84977893 and 84977902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84977947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 965615 + ... + 965702.

It is an arithmetic number, because the mean of its divisors is an integer number (13519226).

Almost surely, 284977948 is an apocalyptic number.

It is an amenable number.

84977948 is a deficient number, since it is larger than the sum of its proper divisors (77252764).

84977948 is a wasteful number, since it uses less digits than its factorization.

84977948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931332 (or 1931330 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 84977948 is about 9218.3484421018. The cubic root of 84977948 is about 439.6449408339.

The spelling of 84977948 in words is "eighty-four million, nine hundred seventy-seven thousand, nine hundred forty-eight".

Divisors: 1 2 4 11 22 44 1931317 3862634 7725268 21244487 42488974 84977948