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90407070430 = 2543474473383
BaseRepresentation
bin101010000110010101…
…1100110101011011110
322122100121212000202221
41110030223212223132
52440123202223210
6105311001135554
76350241263545
oct1241453465336
9278317760687
1090407070430
1135383486136
121563118a5ba
1386aa26ab61
144538dc315c
152541e8a1da
hex150cae6ade

90407070430 has 32 divisors (see below), whose sum is σ = 170060166144. Its totient is φ = 34570296096.

The previous prime is 90407070419. The next prime is 90407070431. The reversal of 90407070430 is 3407070409.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90407070431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2216482 + ... + 2256901.

It is an arithmetic number, because the mean of its divisors is an integer number (5314380192).

Almost surely, 290407070430 is an apocalyptic number.

90407070430 is a deficient number, since it is larger than the sum of its proper divisors (79653095714).

90407070430 is a wasteful number, since it uses less digits than its factorization.

90407070430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4473480.

The product of its (nonzero) digits is 21168, while the sum is 34.

The spelling of 90407070430 in words is "ninety billion, four hundred seven million, seventy thousand, four hundred thirty".

Divisors: 1 2 5 10 43 47 86 94 215 235 430 470 2021 4042 10105 20210 4473383 8946766 22366915 44733830 192355469 210249001 384710938 420498002 961777345 1051245005 1923554690 2102490010 9040707043 18081414086 45203535215 90407070430