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146129472 = 26321072371
BaseRepresentation
bin10001011010111…
…00001001000000
3101011222010221200
420231130021000
5244402120342
622300021200
73423036306
oct1055341100
9334863850
10146129472
1175539265
1240b31800
1324375258
141559c276
15cc6794c
hex8b5c240

146129472 has 84 divisors (see below), whose sum is σ = 422946576. Its totient is φ = 48234240.

The previous prime is 146129471. The next prime is 146129519. The reversal of 146129472 is 274921641.

It is a happy number.

146129472 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (146129471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60447 + ... + 62817.

Almost surely, 2146129472 is an apocalyptic number.

146129472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146129472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (211473288).

146129472 is an abundant number, since it is smaller than the sum of its proper divisors (276817104).

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

146129472 is a wasteful number, since it uses less digits than its factorization.

146129472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2496 (or 2483 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 146129472 is about 12088.4023758311. The cubic root of 146129472 is about 526.7193481102.

The spelling of 146129472 in words is "one hundred forty-six million, one hundred twenty-nine thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 107 144 192 214 288 321 428 576 642 856 963 1284 1712 1926 2371 2568 3424 3852 4742 5136 6848 7113 7704 9484 10272 14226 15408 18968 20544 21339 28452 30816 37936 42678 56904 61632 75872 85356 113808 151744 170712 227616 253697 341424 455232 507394 682848 761091 1014788 1365696 1522182 2029576 2283273 3044364 4059152 4566546 6088728 8118304 9133092 12177456 16236608 18266184 24354912 36532368 48709824 73064736 146129472