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98128872 = 23323973433
BaseRepresentation
bin1011101100101…
…01001111101000
320211122110111200
411312111033220
5200110110442
613423124200
72301040002
oct566251750
9224573450
1098128872
1150433746
1228a43660
1317439c2a
14d065372
15893534c
hex5d953e8

98128872 has 48 divisors (see below), whose sum is σ = 266512740. Its totient is φ = 32617728.

The previous prime is 98128871. The next prime is 98128883. The reversal of 98128872 is 27882189.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 98128836 + 36 = 9906^2 + 6^2 .

It is not an unprimeable number, because it can be changed into a prime (98128871) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26868 + ... + 30300.

Almost surely, 298128872 is an apocalyptic number.

It is an amenable number.

98128872 is an abundant number, since it is smaller than the sum of its proper divisors (168383868).

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

98128872 is a wasteful number, since it uses less digits than its factorization.

98128872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3842 (or 3835 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 98128872 is about 9906.0018170804. The cubic root of 98128872 is about 461.2456346118.

The spelling of 98128872 in words is "ninety-eight million, one hundred twenty-eight thousand, eight hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 397 794 1191 1588 2382 3176 3433 3573 4764 6866 7146 9528 10299 13732 14292 20598 27464 28584 30897 41196 61794 82392 123588 247176 1362901 2725802 4088703 5451604 8177406 10903208 12266109 16354812 24532218 32709624 49064436 98128872