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146429390 = 2519773997
BaseRepresentation
bin10001011101001…
…01010111001110
3101012112101100202
420232211113032
5244441220030
622310253502
73425425562
oct1056452716
9335471322
10146429390
1175723628
1241057292
132444b913
14156396a2
15ccc6745
hex8ba55ce

146429390 has 32 divisors (see below), whose sum is σ = 278082720. Its totient is φ = 55361664.

The previous prime is 146429369. The next prime is 146429417. The reversal of 146429390 is 93924641.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 146372 + ... + 147368.

It is an arithmetic number, because the mean of its divisors is an integer number (8690085).

Almost surely, 2146429390 is an apocalyptic number.

146429390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146429390 is a deficient number, since it is larger than the sum of its proper divisors (131653330).

146429390 is a wasteful number, since it uses less digits than its factorization.

146429390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796.

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 146429390 is about 12100.8012131429. The cubic root of 146429390 is about 527.0794503751.

The spelling of 146429390 in words is "one hundred forty-six million, four hundred twenty-nine thousand, three hundred ninety".

Divisors: 1 2 5 10 19 38 95 190 773 997 1546 1994 3865 4985 7730 9970 14687 18943 29374 37886 73435 94715 146870 189430 770681 1541362 3853405 7706810 14642939 29285878 73214695 146429390