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1420201404 = 223331142283
BaseRepresentation
bin101010010100110…
…1000110110111100
310122222100201002000
41110221220312330
510402032421104
6352531502300
750123340606
oct12451506674
93588321060
101420201404
11669737376
12337757990
1319830277b
14d6890176
1584a35639
hex54a68dbc

1420201404 has 48 divisors (see below), whose sum is σ = 3693930240. Its totient is φ = 471867120.

The previous prime is 1420201399. The next prime is 1420201429. The reversal of 1420201404 is 4041020241.

1420201404 is a `hidden beast` number, since 1 + 420 + 201 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

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, 12447 + ... + 54729.

It is an arithmetic number, because the mean of its divisors is an integer number (76956880).

Almost surely, 21420201404 is an apocalyptic number.

It is an amenable number.

1420201404 is an abundant number, since it is smaller than the sum of its proper divisors (2273728836).

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

1420201404 is a wasteful number, since it uses less digits than its factorization.

1420201404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42607 (or 42599 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 1420201404 is about 37685.5596216906. The cubic root of 1420201404 is about 1124.0440020683.

Adding to 1420201404 its reverse (4041020241), we get a palindrome (5461221645).

The spelling of 1420201404 in words is "one billion, four hundred twenty million, two hundred one thousand, four hundred four".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 311 622 933 1244 1866 2799 3732 5598 8397 11196 16794 33588 42283 84566 126849 169132 253698 380547 507396 761094 1141641 1522188 2283282 4566564 13150013 26300026 39450039 52600052 78900078 118350117 157800156 236700234 355050351 473400468 710100702 1420201404