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428008412 = 221343792423
BaseRepresentation
bin11001100000101…
…110001111011100
31002211101002011102
4121200232033130
51334032232122
6110245412232
713415003636
oct3140561734
91084332142
10428008412
111aa666067
12bb40a078
136a899c20
1440bb5a56
1527897492
hex1982e3dc

428008412 has 48 divisors (see below), whose sum is σ = 836183040. Its totient is φ = 190427328.

The previous prime is 428008409. The next prime is 428008433. The reversal of 428008412 is 214800824.

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, 175433 + ... + 177855.

It is an arithmetic number, because the mean of its divisors is an integer number (17420480).

Almost surely, 2428008412 is an apocalyptic number.

It is an amenable number.

428008412 is a deficient number, since it is larger than the sum of its proper divisors (408174628).

428008412 is a wasteful number, since it uses less digits than its factorization.

428008412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2562 (or 2560 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 29.

The square root of 428008412 is about 20688.3641692619. The cubic root of 428008412 is about 753.6171415233.

The spelling of 428008412 in words is "four hundred twenty-eight million, eight thousand, four hundred twelve".

Divisors: 1 2 4 13 26 43 52 79 86 158 172 316 559 1027 1118 2054 2236 2423 3397 4108 4846 6794 9692 13588 31499 44161 62998 88322 104189 125996 176644 191417 208378 382834 416756 765668 1354457 2488421 2708914 4976842 5417828 8230931 9953684 16461862 32923724 107002103 214004206 428008412