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141749690 = 251923163199
BaseRepresentation
bin10000111001011…
…10110110111010
3100212201122000112
420130232312322
5242241442230
622022104322
73340565255
oct1034566672
9325648015
10141749690
1173017705
123b57b0a2
13234a0874
1414b7c09c
15c69ed95
hex872edba

141749690 has 64 divisors (see below), whose sum is σ = 283392000. Its totient is φ = 50808384.

The previous prime is 141749687. The next prime is 141749711. The reversal of 141749690 is 96947141.

141749690 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×1417496902 = 40185949230192200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 712211 + ... + 712409.

It is an arithmetic number, because the mean of its divisors is an integer number (4428000).

Almost surely, 2141749690 is an apocalyptic number.

141749690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

141749690 is a deficient number, since it is larger than the sum of its proper divisors (141642310).

141749690 is a wasteful number, since it uses less digits than its factorization.

141749690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 141749690 is about 11905.8678810072. The cubic root of 141749690 is about 521.4036166381.

The spelling of 141749690 in words is "one hundred forty-one million, seven hundred forty-nine thousand, six hundred ninety".

Divisors: 1 2 5 10 19 23 38 46 95 115 163 190 199 230 326 398 437 815 874 995 1630 1990 2185 3097 3749 3781 4370 4577 6194 7498 7562 9154 15485 18745 18905 22885 30970 32437 37490 37810 45770 64874 71231 86963 142462 162185 173926 324370 356155 434815 616303 712310 746051 869630 1232606 1492102 3081515 3730255 6163030 7460510 14174969 28349938 70874845 141749690