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1375140 = 2235134143
BaseRepresentation
bin101001111101110100100
32120212100010
411033232210
5323001030
645250220
714455104
oct5175644
92525303
101375140
1185a188
12563970
13391bc0
1427b204
151c26b0
hex14fba4

1375140 has 96 divisors (see below), whose sum is σ = 4346496. Its totient is φ = 322560.

The previous prime is 1375133. The next prime is 1375141. The reversal of 1375140 is 415731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1375141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31959 + ... + 32001.

It is an arithmetic number, because the mean of its divisors is an integer number (45276).

21375140 is an apocalyptic number.

1375140 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 1375140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2173248).

1375140 is an abundant number, since it is smaller than the sum of its proper divisors (2971356).

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

1375140 is a wasteful number, since it uses less digits than its factorization.

1375140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 1375140 is about 1172.6636346370. The cubic root of 1375140 is about 111.2027784272.

The spelling of 1375140 in words is "one million, three hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 43 52 60 65 78 82 86 123 129 130 156 164 172 195 205 215 246 258 260 390 410 430 492 516 533 559 615 645 780 820 860 1066 1118 1230 1290 1599 1677 1763 2132 2236 2460 2580 2665 2795 3198 3354 3526 5289 5330 5590 6396 6708 7052 7995 8385 8815 10578 10660 11180 15990 16770 17630 21156 22919 26445 31980 33540 35260 45838 52890 68757 91676 105780 114595 137514 229190 275028 343785 458380 687570 1375140