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98870028 = 223171134289
BaseRepresentation
bin1011110010010…
…10001100001100
320220001010011220
411321022030030
5200302320103
613451043340
72310244545
oct571121414
9226033156
1098870028
115089a574
1229140550
131763939a
14d1b94cc
158a2ec53
hex5e4a30c

98870028 has 48 divisors (see below), whose sum is σ = 246486240. Its totient is φ = 30736384.

The previous prime is 98870027. The next prime is 98870039. The reversal of 98870028 is 82007889.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (98870027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20908 + ... + 25196.

It is an arithmetic number, because the mean of its divisors is an integer number (5135130).

Almost surely, 298870028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98870028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123243120).

98870028 is an abundant number, since it is smaller than the sum of its proper divisors (147616212).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98870028 is a wasteful number, since it uses less digits than its factorization.

98870028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4426 (or 4424 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 42.

The square root of 98870028 is about 9943.3408872471. The cubic root of 98870028 is about 462.4039681795.

The spelling of 98870028 in words is "ninety-eight million, eight hundred seventy thousand, twenty-eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 113 204 226 339 452 678 1356 1921 3842 4289 5763 7684 8578 11526 12867 17156 23052 25734 51468 72913 145826 218739 291652 437478 484657 874956 969314 1453971 1938628 2907942 5815884 8239169 16478338 24717507 32956676 49435014 98870028