Search a number
-
+
190374551484 = 2231321931473391
BaseRepresentation
bin1011000101001100110…
…1010001111110111100
3200012101112022020102020
42301103031101332330
511104341341121414
6223242403200140
716516441662615
oct2612315217674
9605345266366
10190374551484
1173812520277
1230a90076050
1314c4c102c00
1492dd9bac0c
154e433ee7a9
hex2c53351fbc

190374551484 has 288 divisors, whose sum is σ = 533932277760. Its totient is φ = 52545542400.

The previous prime is 190374551461. The next prime is 190374551501. The reversal of 190374551484 is 484155473091.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56139429 + ... + 56142819.

It is an arithmetic number, because the mean of its divisors is an integer number (1853931520).

Almost surely, 2190374551484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 190374551484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (266966138880).

190374551484 is an abundant number, since it is smaller than the sum of its proper divisors (343557726276).

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

190374551484 is a wasteful number, since it uses less digits than its factorization.

190374551484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3521 (or 3506 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 51.

The spelling of 190374551484 in words is "one hundred ninety billion, three hundred seventy-four million, five hundred fifty-one thousand, four hundred eighty-four".