Search a number
-
+
1354629420 = 22345836191
BaseRepresentation
bin101000010111110…
…0000000100101100
310111101222022020000
41100233200010230
510233241120140
6342230224300
745366105624
oct12057400454
93441868200
101354629420
11635720151
123197b5090
13187854591
14cbca1884
157ddd1a30
hex50be012c

1354629420 has 60 divisors (see below), whose sum is σ = 4249527744. Its totient is φ = 361234080.

The previous prime is 1354629407. The next prime is 1354629421. The reversal of 1354629420 is 249264531.

It is a happy number.

1354629420 is a `hidden beast` number, since 1 + 3 + 5 + 4 + 629 + 4 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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 (1354629421) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 416476 + ... + 419715.

Almost surely, 21354629420 is an apocalyptic number.

1354629420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1354629420 is an abundant number, since it is smaller than the sum of its proper divisors (2894898324).

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

1354629420 is a wasteful number, since it uses less digits than its factorization.

1354629420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836212 (or 836201 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1354629420 is about 36805.2906522962. The cubic root of 1354629420 is about 1106.4713363502.

The spelling of 1354629420 in words is "one billion, three hundred fifty-four million, six hundred twenty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 81 90 108 135 162 180 270 324 405 540 810 1620 836191 1672382 2508573 3344764 4180955 5017146 7525719 8361910 10034292 12542865 15051438 16723820 22577157 25085730 30102876 37628595 45154314 50171460 67731471 75257190 90308628 112885785 135462942 150514380 225771570 270925884 338657355 451543140 677314710 1354629420