Search a number
-
+
151486480 = 2451893581
BaseRepresentation
bin10010000011110…
…00000000010000
3101120001022101101
421001320000100
5302240031410
623010514144
73516420355
oct1101700020
9346038341
10151486480
1178568042
1242895954
13254cc692
141619462c
15d474d3a
hex9078010

151486480 has 20 divisors (see below), whose sum is σ = 352206252. Its totient is φ = 60594560.

The previous prime is 151486469. The next prime is 151486583. The reversal of 151486480 is 84684151.

It can be written as a sum of positive squares in 2 ways, for example, as 45643536 + 105842944 = 6756^2 + 10288^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 946711 + ... + 946870.

Almost surely, 2151486480 is an apocalyptic number.

151486480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151486480 is an abundant number, since it is smaller than the sum of its proper divisors (200719772).

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

151486480 is a wasteful number, since it uses less digits than its factorization.

151486480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1893594 (or 1893588 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 37.

The square root of 151486480 is about 12307.9844003801. The cubic root of 151486480 is about 533.0786527082.

The spelling of 151486480 in words is "one hundred fifty-one million, four hundred eighty-six thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 1893581 3787162 7574324 9467905 15148648 18935810 30297296 37871620 75743240 151486480