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1401282740 = 2251113489959
BaseRepresentation
bin101001110000101…
…1110000010110100
310121122202112112202
41103201132002310
510332212021430
6351014204032
746503464264
oct12341360264
93548675482
101401282740
11659a95510
12331353618
1319440a5b0
14d41677a4
1583049d45
hex5385e0b4

1401282740 has 48 divisors (see below), whose sum is σ = 3457157760. Its totient is φ = 470359680.

The previous prime is 1401282731. The next prime is 1401282763. The reversal of 1401282740 is 472821041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 242120 + ... + 247839.

It is an arithmetic number, because the mean of its divisors is an integer number (72024120).

Almost surely, 21401282740 is an apocalyptic number.

1401282740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1401282740 is an abundant number, since it is smaller than the sum of its proper divisors (2055875020).

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

1401282740 is a wasteful number, since it uses less digits than its factorization.

1401282740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489992 (or 489990 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 1401282740 is about 37433.7112774034. The cubic root of 1401282740 is about 1119.0305013697.

The spelling of 1401282740 in words is "one billion, four hundred one million, two hundred eighty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 11 13 20 22 26 44 52 55 65 110 130 143 220 260 286 572 715 1430 2860 489959 979918 1959836 2449795 4899590 5389549 6369467 9799180 10779098 12738934 21558196 25477868 26947745 31847335 53895490 63694670 70064137 107790980 127389340 140128274 280256548 350320685 700641370 1401282740