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190551470 = 25172414651
BaseRepresentation
bin10110101101110…
…01010110101110
3111021120000110212
423112321112232
5342240121340
630524102422
74502442434
oct1326712656
9437500425
10190551470
119861a15a
1253994a12
1330629765
141b442d54
1511adea65
hexb5b95ae

190551470 has 32 divisors (see below), whose sum is σ = 364754016. Its totient is φ = 71424000.

The previous prime is 190551463. The next prime is 190551479. The reversal of 190551470 is 74155091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190551479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38645 + ... + 43295.

It is an arithmetic number, because the mean of its divisors is an integer number (11398563).

Almost surely, 2190551470 is an apocalyptic number.

190551470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

190551470 is a deficient number, since it is larger than the sum of its proper divisors (174202546).

190551470 is a wasteful number, since it uses less digits than its factorization.

190551470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4916.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 190551470 is about 13804.0381772871. The cubic root of 190551470 is about 575.4453713907.

The spelling of 190551470 in words is "one hundred ninety million, five hundred fifty-one thousand, four hundred seventy".

Divisors: 1 2 5 10 17 34 85 170 241 482 1205 2410 4097 4651 8194 9302 20485 23255 40970 46510 79067 158134 395335 790670 1120891 2241782 5604455 11208910 19055147 38110294 95275735 190551470