Search a number
-
+
354310040 = 23571265393
BaseRepresentation
bin10101000111100…
…101011110011000
3220200200211000002
4111013211132120
51211200410130
655054032132
711531404610
oct2507453630
9820624002
10354310040
11171aa9417
129a7a8648
1358534c16
14350ada40
152118ab45
hex151e5798

354310040 has 32 divisors (see below), whose sum is σ = 911083680. Its totient is φ = 121477632.

The previous prime is 354310037. The next prime is 354310049. The reversal of 354310040 is 40013453.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 354309994 and 354310021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354310049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632417 + ... + 632976.

It is an arithmetic number, because the mean of its divisors is an integer number (28471365).

Almost surely, 2354310040 is an apocalyptic number.

It is an amenable number.

354310040 is an abundant number, since it is smaller than the sum of its proper divisors (556773640).

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

354310040 is a wasteful number, since it uses less digits than its factorization.

354310040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1265411 (or 1265407 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 354310040 is about 18823.1251390411. The cubic root of 354310040 is about 707.6108547013.

Adding to 354310040 its reverse (40013453), we get a palindrome (394323493).

The spelling of 354310040 in words is "three hundred fifty-four million, three hundred ten thousand, forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 1265393 2530786 5061572 6326965 8857751 10123144 12653930 17715502 25307860 35431004 44288755 50615720 70862008 88577510 177155020 354310040