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98961437 = 179760013
BaseRepresentation
bin1011110011000…
…00100000011101
320220012202120102
411321200200131
5200313231222
613453030445
72311105211
oct571404035
9226182512
1098961437
1150952213
1229185425
131766bb83
14d200941
158a4bd92
hex5e6081d

98961437 has 8 divisors (see below), whose sum is σ = 105864696. Its totient is φ = 92178432.

The previous prime is 98961409. The next prime is 98961439. The reversal of 98961437 is 73416989.

It can be written as a sum of positive squares in 4 ways, for example, as 36409156 + 62552281 = 6034^2 + 7909^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 98961437 - 226 = 31852573 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98961391 and 98961400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98961439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28358 + ... + 31655.

It is an arithmetic number, because the mean of its divisors is an integer number (13233087).

Almost surely, 298961437 is an apocalyptic number.

98961437 is a gapful number since it is divisible by the number (97) formed by its first and last digit.

It is an amenable number.

98961437 is a deficient number, since it is larger than the sum of its proper divisors (6903259).

98961437 is a wasteful number, since it uses less digits than its factorization.

98961437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60127.

The product of its digits is 326592, while the sum is 47.

The square root of 98961437 is about 9947.9363186542. The cubic root of 98961437 is about 462.5464274795.

It can be divided in two parts, 989 and 61437, that added together give a palindrome (62426).

The spelling of 98961437 in words is "ninety-eight million, nine hundred sixty-one thousand, four hundred thirty-seven".

Divisors: 1 17 97 1649 60013 1020221 5821261 98961437