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190463430 = 2356348781
BaseRepresentation
bin10110101101000…
…11110111000110
3111021101112201010
423112203313012
5342224312210
630522143050
74501624653
oct1326436706
9437345633
10190463430
1198569aa3
1253951a86
13305c8671
141b41cc2a
1511ac3920
hexb5a3dc6

190463430 has 16 divisors (see below), whose sum is σ = 457112304. Its totient is φ = 50790240.

The previous prime is 190463417. The next prime is 190463479. The reversal of 190463430 is 34364091.

It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 6348781 = 190463430 / (1 + 9 + 0 + 4 + 6 + 3 + 4 + 3 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3174361 + ... + 3174420.

It is an arithmetic number, because the mean of its divisors is an integer number (28569519).

Almost surely, 2190463430 is an apocalyptic number.

190463430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190463430 is an abundant number, since it is smaller than the sum of its proper divisors (266648874).

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

190463430 is a wasteful number, since it uses less digits than its factorization.

190463430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6348791.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 190463430 is about 13800.8488869345. The cubic root of 190463430 is about 575.3567338956.

The spelling of 190463430 in words is "one hundred ninety million, four hundred sixty-three thousand, four hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 6348781 12697562 19046343 31743905 38092686 63487810 95231715 190463430