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425070428 = 22409259823
BaseRepresentation
bin11001010101100…
…000111101011100
31002121211211000012
4121111200331130
51332304223203
6110102422352
713351016246
oct3125407534
91077754005
10425070428
111a8a39782
12ba4319b8
136a0ab883
144064d096
15274b6bd8
hex19560f5c

425070428 has 12 divisors (see below), whose sum is σ = 745694880. Its totient is φ = 212014752.

The previous prime is 425070421. The next prime is 425070449. The reversal of 425070428 is 824070524.

It is a junction number, because it is equal to n+sod(n) for n = 425070394 and 425070403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425070421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128276 + ... + 131547.

It is an arithmetic number, because the mean of its divisors is an integer number (62141240).

Almost surely, 2425070428 is an apocalyptic number.

It is an amenable number.

425070428 is a deficient number, since it is larger than the sum of its proper divisors (320624452).

425070428 is a wasteful number, since it uses less digits than its factorization.

425070428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260236 (or 260234 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 32.

The square root of 425070428 is about 20617.2361872294. The cubic root of 425070428 is about 751.8888260844. Note that the first 4 decimals are identical.

The spelling of 425070428 in words is "four hundred twenty-five million, seventy thousand, four hundred twenty-eight".

Divisors: 1 2 4 409 818 1636 259823 519646 1039292 106267607 212535214 425070428