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1074215080 = 235374715443
BaseRepresentation
bin100000000000111…
…0011100010101000
32202212022210001201
41000001303202220
54144444340310
6254332053544
735422451251
oct10001634250
92685283051
101074215080
11501403764
1225b9042b4
13141723433
14a2949b28
1564490e3a
hex400738a8

1074215080 has 64 divisors (see below), whose sum is σ = 2535287040. Its totient is φ = 409151232.

The previous prime is 1074215041. The next prime is 1074215083. The reversal of 1074215080 is 805124701.

It is not an unprimeable number, because it can be changed into a prime (1074215083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61839 + ... + 77281.

It is an arithmetic number, because the mean of its divisors is an integer number (39613860).

Almost surely, 21074215080 is an apocalyptic number.

1074215080 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 1074215080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1267643520).

1074215080 is an abundant number, since it is smaller than the sum of its proper divisors (1461071960).

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

1074215080 is a wasteful number, since it uses less digits than its factorization.

1074215080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15538 (or 15534 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 1074215080 is about 32775.2205179462. The cubic root of 1074215080 is about 1024.1504219332.

Adding to 1074215080 its reverse (805124701), we get a palindrome (1879339781).

The spelling of 1074215080 in words is "one billion, seventy-four million, two hundred fifteen thousand, eighty".

Divisors: 1 2 4 5 8 10 20 37 40 47 74 94 148 185 188 235 296 370 376 470 740 940 1480 1739 1880 3478 6956 8695 13912 15443 17390 30886 34780 61772 69560 77215 123544 154430 308860 571391 617720 725821 1142782 1451642 2285564 2856955 2903284 3629105 4571128 5713910 5806568 7258210 11427820 14516420 22855640 26855377 29032840 53710754 107421508 134276885 214843016 268553770 537107540 1074215080