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103997954 = 251998977
BaseRepresentation
bin1100011001011…
…10001000000010
321020200122101002
412030232020002
5203110413304
614153012002
72401653014
oct614561002
9236618332
10103997954
1153782225
122a9b4002
1318713468
14db521b4
1591e431e
hex632e202

103997954 has 4 divisors (see below), whose sum is σ = 155996934. Its totient is φ = 51998976.

The previous prime is 103997953. The next prime is 103997987. The reversal of 103997954 is 459799301.

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., 86062729 + 17935225 = 9277^2 + 4235^2 .

It is a super-2 number, since 2×1039979542 = 21631148872372232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 103997899 and 103997908.

It is not an unprimeable number, because it can be changed into a prime (103997953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25999487 + ... + 25999490.

Almost surely, 2103997954 is an apocalyptic number.

103997954 is a deficient number, since it is larger than the sum of its proper divisors (51998980).

103997954 is an equidigital number, since it uses as much as digits as its factorization.

103997954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51998979.

The product of its (nonzero) digits is 306180, while the sum is 47.

The square root of 103997954 is about 10197.9387132891. The cubic root of 103997954 is about 470.2638536580.

The spelling of 103997954 in words is "one hundred three million, nine hundred ninety-seven thousand, nine hundred fifty-four".

Divisors: 1 2 51998977 103997954