Search a number
-
+
40155354 = 2323171963
BaseRepresentation
bin1001100100101…
…1100011011010
32210120002210100
42121023203122
540234432404
63552400230
7665213001
oct231134332
983502710
1040155354
1120737348
1211546076
13841c485
145493c38
1537d2d39
hex264b8da

40155354 has 24 divisors (see below), whose sum is σ = 89811072. Its totient is φ = 12953160.

The previous prime is 40155347. The next prime is 40155361. The reversal of 40155354 is 45355104.

40155354 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40155347) and next prime (40155361).

It is a super-2 number, since 2×401553542 = 3224904909730632, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35424 + ... + 36539.

It is an arithmetic number, because the mean of its divisors is an integer number (3742128).

Almost surely, 240155354 is an apocalyptic number.

40155354 is an abundant number, since it is smaller than the sum of its proper divisors (49655718).

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

40155354 is a wasteful number, since it uses less digits than its factorization.

40155354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72002 (or 71999 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 40155354 is about 6336.8252303500. The cubic root of 40155354 is about 342.4373700460.

It can be divided in two parts, 401 and 55354, that added together give a palindrome (55755).

The spelling of 40155354 in words is "forty million, one hundred fifty-five thousand, three hundred fifty-four".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 71963 143926 215889 431778 647667 1295334 2230853 4461706 6692559 13385118 20077677 40155354