Search a number
-
+
1442973532 = 22711131722943
BaseRepresentation
bin101011000000010…
…0000011101011100
310201120012122120011
41112000200131130
510423400123112
6355103533004
750521033630
oct12600403534
93646178504
101442973532
11680580410
123432ba164
1319cc468c0
14d98dadc0
1586a32aa7
hex5602075c

1442973532 has 288 divisors, whose sum is σ = 3812497920. Its totient is φ = 460615680.

The previous prime is 1442973527. The next prime is 1442973547. The reversal of 1442973532 is 2353792441.

It is a super-2 number, since 2×14429735322 = 4164345228105110048, which contains 22 as substring.

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, 33557503 + ... + 33557545.

It is an arithmetic number, because the mean of its divisors is an integer number (13237840).

Almost surely, 21442973532 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 1442973532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906248960).

1442973532 is an abundant number, since it is smaller than the sum of its proper divisors (2369524388).

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

1442973532 is a wasteful number, since it uses less digits than its factorization.

1442973532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 122 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 1442973532 is about 37986.4914410373. The cubic root of 1442973532 is about 1130.0199782408.

The spelling of 1442973532 in words is "one billion, four hundred forty-two million, nine hundred seventy-three thousand, five hundred thirty-two".