[go: up one dir, main page]

Search a number
-
+
9980488 = 237178223
BaseRepresentation
bin100110000100…
…101001001000
3200210001122201
4212010221020
510023333423
6553525544
7150555430
oct46045110
920701581
109980488
1156a7541
1234138b4
1320b5a1b
14147b2c0
15d222ad
hex984a48

9980488 has 16 divisors (see below), whose sum is σ = 21386880. Its totient is φ = 4277328.

The previous prime is 9980473. The next prime is 9980519. The reversal of 9980488 is 8840899.

It is a super-2 number, since 2×99804882 = 199220281436288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89056 + ... + 89167.

It is an arithmetic number, because the mean of its divisors is an integer number (1336680).

Almost surely, 29980488 is an apocalyptic number.

It is an amenable number.

9980488 is an abundant number, since it is smaller than the sum of its proper divisors (11406392).

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

9980488 is a wasteful number, since it uses less digits than its factorization.

9980488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178236 (or 178232 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 46.

The square root of 9980488 is about 3159.1910356925. The cubic root of 9980488 is about 215.3032533351.

The spelling of 9980488 in words is "nine million, nine hundred eighty thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 28 56 178223 356446 712892 1247561 1425784 2495122 4990244 9980488