Search a number
-
+
1201554480 = 243572831231
BaseRepresentation
bin100011110011110…
…0100010000110000
310002201221021212210
41013213210100300
54430044220410
6315121252120
741530021200
oct10747442060
93081837783
101201554480
11567278735
12296494040
13161c19ba9
14b5816400
1570746220
hex479e4430

1201554480 has 240 divisors, whose sum is σ = 4388719104. Its totient is φ = 271111680.

The previous prime is 1201554469. The next prime is 1201554491. The reversal of 1201554480 is 844551021.

It is an interprime number because it is at equal distance from previous prime (1201554469) and next prime (1201554491).

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 47 ways as a sum of consecutive naturals, for example, 975465 + ... + 976695.

Almost surely, 21201554480 is an apocalyptic number.

1201554480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1201554480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2194359552).

1201554480 is an abundant number, since it is smaller than the sum of its proper divisors (3187164624).

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

1201554480 is a wasteful number, since it uses less digits than its factorization.

1201554480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1344 (or 1331 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 1201554480 is about 34663.4458760233. The cubic root of 1201554480 is about 1063.1172271612.

The spelling of 1201554480 in words is "one billion, two hundred one million, five hundred fifty-four thousand, four hundred eighty".