Search a number
-
+
40034470 = 257281703
BaseRepresentation
bin1001100010111…
…0000010100110
32210022221222011
42120232002212
540222100340
63550024434
7664200400
oct230560246
983287864
1040034470
1120664543
12114a811a
1383a9448
145461b70
1537ac0ea
hex262e0a6

40034470 has 24 divisors (see below), whose sum is σ = 83828304. Its totient is φ = 13725936.

The previous prime is 40034461. The next prime is 40034503. The reversal of 40034470 is 7443004.

40034470 = 2762 + 2772 + ... + 5202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40362 + ... + 41341.

It is an arithmetic number, because the mean of its divisors is an integer number (3492846).

Almost surely, 240034470 is an apocalyptic number.

40034470 is an abundant number, since it is smaller than the sum of its proper divisors (43793834).

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

40034470 is a wasteful number, since it uses less digits than its factorization.

40034470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81724 (or 81717 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The square root of 40034470 is about 6327.2798262761. The cubic root of 40034470 is about 342.0933992481.

Adding to 40034470 its reverse (7443004), we get a palindrome (47477474).

It can be divided in two parts, 40034 and 470, that added together give a palindrome (40504).

The spelling of 40034470 in words is "forty million, thirty-four thousand, four hundred seventy".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 81703 163406 408515 571921 817030 1143842 2859605 4003447 5719210 8006894 20017235 40034470