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420654102 = 231115714057
BaseRepresentation
bin11001000100101…
…010110000010110
31002022112102221120
4121010222300112
51330141412402
6105424024410
713265333541
oct3104526026
91068472846
10420654102
111a64a2720
12b8a62106
13691c366b
143dc1d858
1526de33bc
hex1912ac16

420654102 has 32 divisors (see below), whose sum is σ = 918601344. Its totient is φ = 127358400.

The previous prime is 420654083. The next prime is 420654121. The reversal of 420654102 is 201456024.

It is an interprime number because it is at equal distance from previous prime (420654083) and next prime (420654121).

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, 101658 + ... + 105714.

It is an arithmetic number, because the mean of its divisors is an integer number (28706292).

Almost surely, 2420654102 is an apocalyptic number.

420654102 is an abundant number, since it is smaller than the sum of its proper divisors (497947242).

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

420654102 is a wasteful number, since it uses less digits than its factorization.

420654102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5644.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 420654102 is about 20509.8537781233. The cubic root of 420654102 is about 749.2758058377.

The spelling of 420654102 in words is "four hundred twenty million, six hundred fifty-four thousand, one hundred two".

Divisors: 1 2 3 6 11 22 33 66 1571 3142 4057 4713 8114 9426 12171 17281 24342 34562 44627 51843 89254 103686 133881 267762 6373547 12747094 19120641 38241282 70109017 140218034 210327051 420654102