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40779098 = 220389549
BaseRepresentation
bin1001101110001…
…1110101011010
32211201210101222
42123203311122
540414412343
64014012042
71003421333
oct233436532
984653358
1040779098
1121022a38
12117a7022
1385aa359
1455b728a
1538a7a68
hex26e3d5a

40779098 has 4 divisors (see below), whose sum is σ = 61168650. Its totient is φ = 20389548.

The previous prime is 40779097. The next prime is 40779131. The reversal of 40779098 is 89097704.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24433249 + 16345849 = 4943^2 + 4043^2 .

It is a super-4 number, since 4×407790984 (a number of 32 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (40779097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10194773 + ... + 10194776.

Almost surely, 240779098 is an apocalyptic number.

40779098 is a deficient number, since it is larger than the sum of its proper divisors (20389552).

40779098 is a wasteful number, since it uses less digits than its factorization.

40779098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20389551.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 40779098 is about 6385.8513919445. The cubic root of 40779098 is about 344.2013254993.

The spelling of 40779098 in words is "forty million, seven hundred seventy-nine thousand, ninety-eight".

Divisors: 1 2 20389549 40779098