Search a number
-
+
3149798400 = 21034527231
BaseRepresentation
bin1011101110111110…
…0001110000000000
322010111220100010000
42323233201300000
522422322022100
61240315040000
7141024562500
oct27357416000
98114810100
103149798400
111376a85181
1273aa40000
133b2742748
1421c47ba00
151367d3900
hexbbbe1c00

3149798400 has 990 divisors, whose sum is σ = 14005213728. Its totient is φ = 696729600.

The previous prime is 3149798387. The next prime is 3149798417. The reversal of 3149798400 is 48979413.

3149798400 is a `hidden beast` number, since 31 + 497 + 98 + 40 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 101606385 + ... + 101606415.

Almost surely, 23149798400 is an apocalyptic number.

3149798400 is a gapful number since it is divisible by the number (30) 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 3149798400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7002606864).

3149798400 is an abundant number, since it is smaller than the sum of its proper divisors (10855415328).

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

3149798400 is a wasteful number, since it uses less digits than its factorization.

3149798400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87 (or 48 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 45.

The square root of 3149798400 is about 56123.0647773266. The cubic root of 3149798400 is about 1465.8659357373.

The spelling of 3149798400 in words is "three billion, one hundred forty-nine million, seven hundred ninety-eight thousand, four hundred".