Search a number
-
+
10031004 = 2232278639
BaseRepresentation
bin100110010000…
…111110011100
3200212121221200
4212100332130
510031443004
6554555500
7151155624
oct46207634
920777850
1010031004
115731495
123438b90
132102a09
141491884
15d32239
hex990f9c

10031004 has 18 divisors (see below), whose sum is σ = 25356240. Its totient is φ = 3343656.

The previous prime is 10030991. The next prime is 10031027. The reversal of 10031004 is 40013001.

10031004 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 139284 + ... + 139355.

It is an arithmetic number, because the mean of its divisors is an integer number (1408680).

Almost surely, 210031004 is an apocalyptic number.

It is an amenable number.

10031004 is an abundant number, since it is smaller than the sum of its proper divisors (15325236).

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

10031004 is a wasteful number, since it uses less digits than its factorization.

10031004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278649 (or 278644 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 10031004 is about 3167.1760292096. The cubic root of 10031004 is about 215.6658929374.

Adding to 10031004 its reverse (40013001), we get a palindrome (50044005).

The spelling of 10031004 in words is "ten million, thirty-one thousand, four".

Divisors: 1 2 3 4 6 9 12 18 36 278639 557278 835917 1114556 1671834 2507751 3343668 5015502 10031004