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1420534480 = 24540144281
BaseRepresentation
bin101010010101011…
…1010001011010000
310122222222121222011
41110222322023100
510402124100410
6352542552304
750126225641
oct12452721320
93588877864
101420534480
11669944642
12337898694
131983bb261
14d69396c8
1584a9e18a
hex54aba2d0

1420534480 has 40 divisors (see below), whose sum is σ = 3311053704. Its totient is φ = 566784000.

The previous prime is 1420534477. The next prime is 1420534519. The reversal of 1420534480 is 844350241.

It can be written as a sum of positive squares in 4 ways, for example, as 341806144 + 1078728336 = 18488^2 + 32844^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9940 + ... + 54220.

Almost surely, 21420534480 is an apocalyptic number.

1420534480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1420534480 is an abundant number, since it is smaller than the sum of its proper divisors (1890519224).

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

1420534480 is a wasteful number, since it uses less digits than its factorization.

1420534480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44695 (or 44689 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 1420534480 is about 37689.9785088822. The cubic root of 1420534480 is about 1124.1318682011.

The spelling of 1420534480 in words is "one billion, four hundred twenty million, five hundred thirty-four thousand, four hundred eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 401 802 1604 2005 3208 4010 6416 8020 16040 32080 44281 88562 177124 221405 354248 442810 708496 885620 1771240 3542480 17756681 35513362 71026724 88783405 142053448 177566810 284106896 355133620 710267240 1420534480