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98406437 = 412400157
BaseRepresentation
bin1011101110110…
…01000000100101
320212011120020212
411313121000211
5200143001222
613433105205
72303304143
oct567310045
9225146225
1098406437
1150603238
1228b58205
131750637c
14d0d8593
15898c6e2
hex5dd9025

98406437 has 4 divisors (see below), whose sum is σ = 100806636. Its totient is φ = 96006240.

The previous prime is 98406433. The next prime is 98406439. The reversal of 98406437 is 73460489.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 73460489 = 669110979.

It can be written as a sum of positive squares in 2 ways, for example, as 28366276 + 70040161 = 5326^2 + 8369^2 .

It is a cyclic number.

It is not a de Polignac number, because 98406437 - 22 = 98406433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 2400157 = 98406437 / (9 + 8 + 4 + 0 + 6 + 4 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 98406394 and 98406403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98406433) 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 3 ways as a sum of consecutive naturals, for example, 1200038 + ... + 1200119.

It is an arithmetic number, because the mean of its divisors is an integer number (25201659).

Almost surely, 298406437 is an apocalyptic number.

It is an amenable number.

98406437 is a deficient number, since it is larger than the sum of its proper divisors (2400199).

98406437 is a wasteful number, since it uses less digits than its factorization.

98406437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2400198.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 98406437 is about 9920.0018649192. The cubic root of 98406437 is about 461.6801147031.

The spelling of 98406437 in words is "ninety-eight million, four hundred six thousand, four hundred thirty-seven".

Divisors: 1 41 2400157 98406437