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190461144 = 23337920939
BaseRepresentation
bin10110101101000…
…11010011011000
3111021101102120110
423112203103120
5342224224034
630522124320
74501615206
oct1326432330
9437342513
10190461144
1198568305
12539506a0
13305c7603
141b41c076
1511ac2de9
hexb5a34d8

190461144 has 32 divisors (see below), whose sum is σ = 477432000. Its totient is φ = 63316512.

The previous prime is 190461119. The next prime is 190461151. The reversal of 190461144 is 441164091.

190461144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1374 + ... + 19565.

It is an arithmetic number, because the mean of its divisors is an integer number (14919750).

Almost surely, 2190461144 is an apocalyptic number.

It is an amenable number.

190461144 is an abundant number, since it is smaller than the sum of its proper divisors (286970856).

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

190461144 is a wasteful number, since it uses less digits than its factorization.

190461144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21327 (or 21323 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 190461144 is about 13800.7660656936. The cubic root of 190461144 is about 575.3544320176.

The spelling of 190461144 in words is "one hundred ninety million, four hundred sixty-one thousand, one hundred forty-four".

Divisors: 1 2 3 4 6 8 12 24 379 758 1137 1516 2274 3032 4548 9096 20939 41878 62817 83756 125634 167512 251268 502536 7935881 15871762 23807643 31743524 47615286 63487048 95230572 190461144