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1420655355 = 34573131601
BaseRepresentation
bin101010010101101…
…0111101011111011
310200000012202210000
41110223113223323
510402141432410
6352545324043
750130241230
oct12453275373
93600182700
101420655355
11669a17439
12337936623
13198431292
14d696b787
1584ac4dc0
hex54ad7afb

1420655355 has 80 divisors (see below), whose sum is σ = 2921586624. Its totient is φ = 646963200.

The previous prime is 1420655311. The next prime is 1420655359. The reversal of 1420655355 is 5535560241.

It is not a de Polignac number, because 1420655355 - 220 = 1419606779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1420655359) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 886555 + ... + 888155.

Almost surely, 21420655355 is an apocalyptic number.

1420655355 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1420655355 is an abundant number, since it is smaller than the sum of its proper divisors (1500931269).

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

1420655355 is a wasteful number, since it uses less digits than its factorization.

1420655355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938 (or 1929 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The square root of 1420655355 is about 37691.5820177397. The cubic root of 1420655355 is about 1124.1637518776.

The spelling of 1420655355 in words is "one billion, four hundred twenty million, six hundred fifty-five thousand, three hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 313 315 405 567 939 945 1565 1601 2191 2817 2835 4695 4803 6573 8005 8451 10955 11207 14085 14409 19719 24015 25353 32865 33621 42255 43227 56035 59157 72045 98595 100863 126765 129681 168105 177471 216135 295785 302589 501113 504315 648405 887355 907767 1503339 1512945 2505565 3507791 4510017 4538835 7516695 10523373 13530051 17538955 22550085 31570119 40590153 52616865 67650255 94710357 157850595 202950765 284131071 473551785 1420655355