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190977050 = 252112331487
BaseRepresentation
bin10110110001000…
…01010000011010
3111022100122021002
423120201100122
5342342231200
630541145002
74506164255
oct1330412032
9438318232
10190977050
119888a980
1253b5b162
1330748394
141b51409c
1511b75bd5
hexb62141a

190977050 has 96 divisors (see below), whose sum is σ = 418258944. Its totient is φ = 64152000.

The previous prime is 190977023. The next prime is 190977053. The reversal of 190977050 is 50779091.

190977050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 190976995 and 190977013.

It is not an unprimeable number, because it can be changed into a prime (190977053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 391907 + ... + 392393.

It is an arithmetic number, because the mean of its divisors is an integer number (4356864).

Almost surely, 2190977050 is an apocalyptic number.

190977050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190977050 is an abundant number, since it is smaller than the sum of its proper divisors (227281894).

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

190977050 is a wasteful number, since it uses less digits than its factorization.

190977050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 564 (or 559 counting only the distinct ones).

The product of its (nonzero) digits is 19845, while the sum is 38.

The square root of 190977050 is about 13819.4446342825. Note that the first 3 decimals coincide. The cubic root of 190977050 is about 575.8734551128.

The spelling of 190977050 in words is "one hundred ninety million, nine hundred seventy-seven thousand, fifty".

Divisors: 1 2 5 10 11 22 23 25 31 46 50 55 62 110 115 155 230 253 275 310 341 487 506 550 575 682 713 775 974 1150 1265 1426 1550 1705 2435 2530 3410 3565 4870 5357 6325 7130 7843 8525 10714 11201 12175 12650 15097 15686 17050 17825 22402 24350 26785 30194 35650 39215 53570 56005 75485 78430 112010 123211 133925 150970 166067 196075 246422 267850 280025 332134 347231 377425 392150 560050 616055 694462 754850 830335 1232110 1660670 1736155 3080275 3472310 3819541 4151675 6160550 7639082 8303350 8680775 17361550 19097705 38195410 95488525 190977050