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428870701 = 7412236701
BaseRepresentation
bin11001100100000…
…000110000101101
31002212222220000001
4121210000300231
51334242330301
6110320104301
713425224620
oct3144006055
91085886001
10428870701
112000a49a6
12bb765091
136ab0c55c
1440d5bdb7
15279b7c01
hex19900c2d

428870701 has 16 divisors (see below), whose sum is σ = 504419328. Its totient is φ = 356976000.

The previous prime is 428870669. The next prime is 428870707. The reversal of 428870701 is 107078824.

It is a cyclic number.

It is not a de Polignac number, because 428870701 - 25 = 428870669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (428870707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60651 + ... + 67351.

It is an arithmetic number, because the mean of its divisors is an integer number (31526208).

Almost surely, 2428870701 is an apocalyptic number.

428870701 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

428870701 is a deficient number, since it is larger than the sum of its proper divisors (75548627).

428870701 is a wasteful number, since it uses less digits than its factorization.

428870701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6972.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 428870701 is about 20709.1936347121. The cubic root of 428870701 is about 754.1228947147.

The spelling of 428870701 in words is "four hundred twenty-eight million, eight hundred seventy thousand, seven hundred one".

Divisors: 1 7 41 223 287 1561 6701 9143 46907 64001 274741 1494323 1923187 10460261 61267243 428870701