Search a number
-
+
122016740 = 22512894733
BaseRepresentation
bin1110100010111…
…01001111100100
322111121002111112
413101131033210
5222214013430
620035124152
73011060636
oct721351744
9274532445
10122016740
1162969a8a
1234a43658
131c381b71
14122c2a56
15aaa3195
hex745d3e4

122016740 has 24 divisors (see below), whose sum is σ = 256488120. Its totient is φ = 48758528.

The previous prime is 122016737. The next prime is 122016743. The reversal of 122016740 is 47610221.

It is an interprime number because it is at equal distance from previous prime (122016737) and next prime (122016743).

It can be written as a sum of positive squares in 4 ways, for example, as 11682724 + 110334016 = 3418^2 + 10504^2 .

It is not an unprimeable number, because it can be changed into a prime (122016743) 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, 23414 + ... + 28146.

It is an arithmetic number, because the mean of its divisors is an integer number (10687005).

Almost surely, 2122016740 is an apocalyptic number.

122016740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

122016740 is an abundant number, since it is smaller than the sum of its proper divisors (134471380).

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

122016740 is a wasteful number, since it uses less digits than its factorization.

122016740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6031 (or 6029 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 122016740 is about 11046.1187753889. The cubic root of 122016740 is about 495.9902497650.

Adding to 122016740 its reverse (47610221), we get a palindrome (169626961).

The spelling of 122016740 in words is "one hundred twenty-two million, sixteen thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 1289 2578 4733 5156 6445 9466 12890 18932 23665 25780 47330 94660 6100837 12201674 24403348 30504185 61008370 122016740