Search a number
-
+
40103070 = 2357227281
BaseRepresentation
bin1001100011111…
…0110010011110
32210110110001220
42120332302132
540231244240
63551314210
7664604400
oct230766236
983413056
1040103070
1120701037
121151b966
138401737
14547cb70
1537c25d0
hex263ec9e

40103070 has 48 divisors (see below), whose sum is σ = 111965328. Its totient is φ = 9166080.

The previous prime is 40103069. The next prime is 40103087. The reversal of 40103070 is 7030104.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12171 + ... + 15110.

It is an arithmetic number, because the mean of its divisors is an integer number (2332611).

Almost surely, 240103070 is an apocalyptic number.

40103070 is an abundant number, since it is smaller than the sum of its proper divisors (71862258).

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

40103070 is a wasteful number, since it uses less digits than its factorization.

40103070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27305 (or 27298 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 40103070 is about 6332.6984769528. The cubic root of 40103070 is about 342.2886827611.

Adding to 40103070 its reverse (7030104), we get a palindrome (47133174).

The spelling of 40103070 in words is "forty million, one hundred three thousand, seventy".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 49 70 98 105 147 210 245 294 490 735 1470 27281 54562 81843 136405 163686 190967 272810 381934 409215 572901 818430 954835 1145802 1336769 1909670 2673538 2864505 4010307 5729010 6683845 8020614 13367690 20051535 40103070