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9980754 = 237713347
BaseRepresentation
bin100110000100…
…101101010010
3200210002000120
4212010231102
510023341004
6553531110
7150556260
oct46045522
920702016
109980754
1156a7763
123413a96
1320b5b94
14147b430
15d223d9
hex984b52

9980754 has 32 divisors (see below), whose sum is σ = 23141376. Its totient is φ = 2810640.

The previous prime is 9980749. The next prime is 9980771. The reversal of 9980754 is 4570899.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1309 + ... + 4655.

It is an arithmetic number, because the mean of its divisors is an integer number (723168).

Almost surely, 29980754 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9980754, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11570688).

9980754 is an abundant number, since it is smaller than the sum of its proper divisors (13160622).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9980754 is a wasteful number, since it uses less digits than its factorization.

9980754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 9980754 is about 3159.2331347971. The cubic root of 9980754 is about 215.3051660725.

The spelling of 9980754 in words is "nine million, nine hundred eighty thousand, seven hundred fifty-four".

Divisors: 1 2 3 6 7 14 21 42 71 142 213 426 497 994 1491 2982 3347 6694 10041 20082 23429 46858 70287 140574 237637 475274 712911 1425822 1663459 3326918 4990377 9980754