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1492156680 = 2335711931489
BaseRepresentation
bin101100011110000…
…1000000100001000
310211222202102011020
41120330020010020
511023443003210
6404022032440
751656060010
oct13074100410
93758672136
101492156680
116a6313443
12357878720
131aa1a7261
14102260c40
158aeea770
hex58f08108

1492156680 has 128 divisors (see below), whose sum is σ = 5123692800. Its totient is φ = 340549632.

The previous prime is 1492156667. The next prime is 1492156727. The reversal of 1492156680 is 866512941.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1001376 + ... + 1002864.

It is an arithmetic number, because the mean of its divisors is an integer number (40028850).

Almost surely, 21492156680 is an apocalyptic number.

1492156680 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 1492156680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2561846400).

1492156680 is an abundant number, since it is smaller than the sum of its proper divisors (3631536120).

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

1492156680 is a wasteful number, since it uses less digits than its factorization.

1492156680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2703 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The square root of 1492156680 is about 38628.4439241345. The cubic root of 1492156680 is about 1142.7155637414.

The spelling of 1492156680 in words is "one billion, four hundred ninety-two million, one hundred fifty-six thousand, six hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 84 105 120 140 168 210 280 420 840 1193 1489 2386 2978 3579 4467 4772 5956 5965 7158 7445 8351 8934 9544 10423 11912 11930 14316 14890 16702 17868 17895 20846 22335 23860 25053 28632 29780 31269 33404 35736 35790 41692 41755 44670 47720 50106 52115 59560 62538 66808 71580 83384 83510 89340 100212 104230 125076 125265 143160 156345 167020 178680 200424 208460 250152 250530 312690 334040 416920 501060 625380 1002120 1250760 1776377 3552754 5329131 7105508 8881885 10658262 12434639 14211016 17763770 21316524 24869278 26645655 35527540 37303917 42633048 49738556 53291310 62173195 71055080 74607834 99477112 106582620 124346390 149215668 186519585 213165240 248692780 298431336 373039170 497385560 746078340 1492156680