Search a number
-
+
1474989880 = 2357132989157
BaseRepresentation
bin101011111101010…
…1000111100111000
310210210110020201211
41113322220330320
511010044134010
6402210052504
751360131020
oct12772507470
93723406654
101474989880
11697658801
12351b7a134
131a67765a0
14ddc72a80
158975908a
hex57ea8f38

1474989880 has 256 divisors, whose sum is σ = 4300128000. Its totient is φ = 442810368.

The previous prime is 1474989877. The next prime is 1474989899. The reversal of 1474989880 is 889894741.

It is a super-2 number, since 2×14749898802 = 4351190292204828800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9394762 + ... + 9394918.

It is an arithmetic number, because the mean of its divisors is an integer number (16797375).

Almost surely, 21474989880 is an apocalyptic number.

1474989880 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 1474989880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2150064000).

1474989880 is an abundant number, since it is smaller than the sum of its proper divisors (2825138120).

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

1474989880 is a wasteful number, since it uses less digits than its factorization.

1474989880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306 (or 302 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 58.

The square root of 1474989880 is about 38405.5969879391. The cubic root of 1474989880 is about 1138.3164541332.

The spelling of 1474989880 in words is "one billion, four hundred seventy-four million, nine hundred eighty-nine thousand, eight hundred eighty".