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146945954 = 21936172
BaseRepresentation
bin10001100001000…
…11011110100010
3101020111121221202
420300203132202
5300104232304
622325321202
73433006601
oct1060433642
9336447852
10146945954
1175a46741
1241266202
132459ca8c
1415731a38
15cd7981e
hex8c237a2

146945954 has 12 divisors (see below), whose sum is σ = 221920674. Its totient is φ = 72973824.

The previous prime is 146945893. The next prime is 146945959. The reversal of 146945954 is 459549641.

It can be written as a sum of positive squares in 3 ways, for example, as 25351225 + 121594729 = 5035^2 + 11027^2 .

It is a super-2 number, since 2×1469459542 = 43186226793940232, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 146945899 and 146945908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146945959) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 237854 + ... + 238470.

Almost surely, 2146945954 is an apocalyptic number.

146945954 is a deficient number, since it is larger than the sum of its proper divisors (74974720).

146945954 is an frugal number, since it uses more digits than its factorization.

146945954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 812 counting only the distinct ones).

The product of its digits is 777600, while the sum is 47.

The square root of 146945954 is about 12122.1266286077. The cubic root of 146945954 is about 527.6985217456.

The spelling of 146945954 in words is "one hundred forty-six million, nine hundred forty-five thousand, nine hundred fifty-four".

Divisors: 1 2 193 386 617 1234 119081 238162 380689 761378 73472977 146945954