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97440413 = 717818827
BaseRepresentation
bin1011100111011…
…01001010011101
320210100111010012
411303231022131
5144421043123
613400253005
72262141560
oct563551235
9223314105
1097440413
1150003474
1228771165
1317258765
14cd264d7
15884b378
hex5ced29d

97440413 has 8 divisors (see below), whose sum is σ = 117911232. Its totient is φ = 78607296.

The previous prime is 97440383. The next prime is 97440439. The reversal of 97440413 is 31404479.

It is a happy number.

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 97440413 - 26 = 97440349 is a prime.

It is a super-2 number, since 2×974404132 = 18989268171221138, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 97440413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97440463) 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, 409295 + ... + 409532.

It is an arithmetic number, because the mean of its divisors is an integer number (14738904).

Almost surely, 297440413 is an apocalyptic number.

It is an amenable number.

97440413 is a deficient number, since it is larger than the sum of its proper divisors (20470819).

97440413 is a wasteful number, since it uses less digits than its factorization.

97440413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818851.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 97440413 is about 9871.1910628860. The cubic root of 97440413 is about 460.1644229480.

The spelling of 97440413 in words is "ninety-seven million, four hundred forty thousand, four hundred thirteen".

Divisors: 1 7 17 119 818827 5731789 13920059 97440413