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421229070 = 23254680323
BaseRepresentation
bin11001000110110…
…111001000001110
31002100121122122200
4121012313020032
51330313312240
6105444222330
713303250043
oct3106671016
91070548580
10421229070
111a68556a9
12b909a9a6
1369365292
143dd2d1ca
1526ea8930
hex191b720e

421229070 has 24 divisors (see below), whose sum is σ = 1095195816. Its totient is φ = 112327728.

The previous prime is 421229063. The next prime is 421229093. The reversal of 421229070 is 70922124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2340072 + ... + 2340251.

It is an arithmetic number, because the mean of its divisors is an integer number (45633159).

Almost surely, 2421229070 is an apocalyptic number.

421229070 is an abundant number, since it is smaller than the sum of its proper divisors (673966746).

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

421229070 is a wasteful number, since it uses less digits than its factorization.

421229070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4680336 (or 4680333 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 421229070 is about 20523.8658639156. The cubic root of 421229070 is about 749.6170311464.

The spelling of 421229070 in words is "four hundred twenty-one million, two hundred twenty-nine thousand, seventy".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 4680323 9360646 14040969 23401615 28081938 42122907 46803230 70204845 84245814 140409690 210614535 421229070