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1098610420 = 225199927479
BaseRepresentation
bin100000101111011…
…0111011011110100
32211120020012011211
41001132313123310
54222221013140
6301003011204
736140014555
oct10136673364
92746205154
101098610420
115141562a6
12267b09b04
131467b534b
14a5c9a32c
15666ae2ea
hex417b76f4

1098610420 has 24 divisors (see below), whose sum is σ = 2308320000. Its totient is φ = 439208352.

The previous prime is 1098610411. The next prime is 1098610441. The reversal of 1098610420 is 240168901.

It is a happy number.

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, 26241 + ... + 53719.

It is an arithmetic number, because the mean of its divisors is an integer number (96180000).

Almost surely, 21098610420 is an apocalyptic number.

1098610420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1098610420 is an abundant number, since it is smaller than the sum of its proper divisors (1209709580).

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

1098610420 is a wasteful number, since it uses less digits than its factorization.

1098610420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29487 (or 29485 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 1098610420 is about 33145.2925767748. The cubic root of 1098610420 is about 1031.8452547757.

The spelling of 1098610420 in words is "one billion, ninety-eight million, six hundred ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 1999 3998 7996 9995 19990 27479 39980 54958 109916 137395 274790 549580 54930521 109861042 219722084 274652605 549305210 1098610420