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9975469 = 73127229
BaseRepresentation
bin100110000011…
…011010101101
3200202210202211
4212003122231
510023203334
6553450421
7150535000
oct46033255
920683684
109975469
1156a3799
123410a11
1320b365a
141479537
15d20a64
hex9836ad

9975469 has 16 divisors (see below), whose sum is σ = 11776000. Its totient is φ = 8446032.

The previous prime is 9975461. The next prime is 9975529. The reversal of 9975469 is 9645799.

9975469 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9975469 - 23 = 9975461 is a prime.

It is a super-2 number, since 2×99754692 = 199019963539922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a d-powerful number, because it can be written as 92 + 94 + 78 + 55 + 411 + 62 + 94 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9975461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43447 + ... + 43675.

It is an arithmetic number, because the mean of its divisors is an integer number (736000).

Almost surely, 29975469 is an apocalyptic number.

It is an amenable number.

9975469 is a deficient number, since it is larger than the sum of its proper divisors (1800531).

9975469 is a wasteful number, since it uses less digits than its factorization.

9975469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 363 counting only the distinct ones).

The product of its digits is 612360, while the sum is 49.

The square root of 9975469 is about 3158.3965868776. The cubic root of 9975469 is about 215.2671566293.

The spelling of 9975469 in words is "nine million, nine hundred seventy-five thousand, four hundred sixty-nine".

Divisors: 1 7 49 127 229 343 889 1603 6223 11221 29083 43561 78547 203581 1425067 9975469