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98051538 = 23131257071
BaseRepresentation
bin1011101100000…
…10010111010010
320211111112102110
411312002113102
5200100122123
613421330150
72300265354
oct566022722
9224445373
1098051538
1150390632
1228a06956
1317410980
14d0450d4
15891c493
hex5d825d2

98051538 has 16 divisors (see below), whose sum is σ = 211188096. Its totient is φ = 30169680.

The previous prime is 98051531. The next prime is 98051557. The reversal of 98051538 is 83515089.

It is a super-2 number, since 2×980515382 = 19228208208330888, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 98051496 and 98051505.

It is not an unprimeable number, because it can be changed into a prime (98051531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 628458 + ... + 628613.

It is an arithmetic number, because the mean of its divisors is an integer number (13199256).

Almost surely, 298051538 is an apocalyptic number.

98051538 is an abundant number, since it is smaller than the sum of its proper divisors (113136558).

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

98051538 is a wasteful number, since it uses less digits than its factorization.

98051538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1257089.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 98051538 is about 9902.0976565574. The cubic root of 98051538 is about 461.1244356767.

It can be divided in two parts, 98051 and 538, that added together give a palindrome (98589).

The spelling of 98051538 in words is "ninety-eight million, fifty-one thousand, five hundred thirty-eight".

Divisors: 1 2 3 6 13 26 39 78 1257071 2514142 3771213 7542426 16341923 32683846 49025769 98051538