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154042196 = 227112192393
BaseRepresentation
bin10010010111001…
…11111101010100
3101201212011011112
421023213331110
5303413322241
623141354152
73550223420
oct1113477524
9351764145
10154042196
1179a53200
1243708958
1325bb5a39
141665bb80
15d7cc1eb
hex92e7f54

154042196 has 72 divisors (see below), whose sum is σ = 356610240. Its totient is φ = 56833920.

The previous prime is 154042183. The next prime is 154042223. The reversal of 154042196 is 691240451.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 63176 + ... + 65568.

It is an arithmetic number, because the mean of its divisors is an integer number (4952920).

Almost surely, 2154042196 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 154042196, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (178305120).

154042196 is an abundant number, since it is smaller than the sum of its proper divisors (202568044).

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

154042196 is a wasteful number, since it uses less digits than its factorization.

154042196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2445 (or 2432 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 154042196 is about 12411.3736548377. The cubic root of 154042196 is about 536.0597922828.

The spelling of 154042196 in words is "one hundred fifty-four million, forty-two thousand, one hundred ninety-six".

Divisors: 1 2 4 7 11 14 19 22 28 38 44 76 77 121 133 154 209 242 266 308 418 484 532 836 847 1463 1694 2299 2393 2926 3388 4598 4786 5852 9196 9572 16093 16751 26323 32186 33502 45467 52646 64372 67004 90934 105292 181868 184261 289553 318269 368522 500137 579106 636538 737044 1000274 1158212 1273076 2000548 2026871 3500959 4053742 5501507 7001918 8107484 11003014 14003836 22006028 38510549 77021098 154042196